helpHomework Answers
2 -(a) Bromine has 7 valence electrons so, it will accept one more electron to complete it's octet and hence Br- ion will be formed which is anion.
(b)- Sulphur forms S2- ion to become stable and is also an anion. This is because Sulphur has 6 valence electrons.
(c) Gallium forms Ga3+ which is cation because it has 3 valence electrons.
(d) Rubidium has one valence electron so it forms monovalent cation Rb+
Add Answer to:
help
2. For each of the following atoms, give the formula of the ion that the...
8. Draw the Lewis dot symbol for the s-2 ion. Answer: 9. The Lewis symbol for...
8. Draw the Lewis dot symbol for the s-2 ion. Answer: 9. The Lewis symbol for the selenium atom showsvalence she11 electrons. The number of covalent bonds which selenium normally forms in order to complete its valence shell and obey the octet rule is Answer 10. The total number of bonds in the thiocyanate ion, sCN Answer: 11. The total number of non-bonding electrons in the NF3 molecule is Answer: 12. The ground state electron configuration, using abbreviated electron configuration,...
a) Ca is located in the 2A family of the periodic chart, what would be the...
a) Ca is located in the 2A family of the periodic chart, what would be the predicted charge (give both sign and magnitude (numerical value) of the ion formed by Ca? Is this Ca ion called an anion or a cation? Would this calcium ion be larger or smaller radius than a neutral Ca atom? b) P is located in the 5A family of the periodic chart, what would be the predicted charge (sign and magnitude) of the ion formed...
its a two part question. plz look at second pic BA 3A 4A 5A 6A 7A...
its a two part question. plz look at second pic
BA 3A 4A 5A 6A 7A He 27 Na Mg 3B 4B 5B 6B7B 8B1B2B K ca sa Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd Hf Ta W Re Os Ir Pt Au Hg At Rn TI Ra AC Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu FE...
Write the formula for the compound that forms between the elements listed below. Classify each compound as covalent or...
Write the formula for the compound that forms between the elements listed below. Classify each compound as covalent or ionic. a magnesium and nitrogen b indium and sulfur Csodium and sulfur d barium and bromine
answer all please YEN 18. The electron configuration 18-2-2p 3s 3p applies to all of the...
answer all please
YEN 18. The electron configuration 18-2-2p 3s 3p applies to all of the following species except ACI B. Ar C. Ca2+ D. Na Ε Κ 19. Rank the following elements in order of increasing atomic size: Ge, Rb, S, Ne A Ge<Rb Ne <S B. Rb<S<Ne <Ge C. S < Ne < Ge<Rb D. Ne <S<GeRb E Rb <e <Ne <S 20. Select the pair that has the larger atom or ion listed first. A Ca?. Ca...
Chemistry CHE 140, 170, 180 о Goal: With reference only to the periodic table, to write...
Chemistry CHE 140, 170, 180 о Goal: With reference only to the periodic table, to write the electron configuration of the ground state (lowest energy), gaseous, atoms. Tools: (1) A list of the electronic sublevels within the atom in order of their increasing energy. (Write the list, 1s 2s 2p <6s, in the boxes below as indicated, by inspection of the "Aufbau" diagram or of the periodic table, where the order is explicit) (ii) Fill in the box below each...
nucleus TEST Try Practice Problems 4.79 to 4.94 esent PRACTICE PROBLEMS 1.8 Trends in Periodic Properties...
nucleus TEST Try Practice Problems 4.79 to 4.94 esent PRACTICE PROBLEMS 1.8 Trends in Periodic Properties 4.71 Write the group number using both A/B and I to 18 nota- tions for elements that have the following outer electron configuration: d. 5245p 4.72 Write the group number using both A/B and I to 18 nota- tions for elements that have the following outer electron configuration: h45 d. 5242105 4.73 Write the valence electron configuration for each of the following: a. alkali...
23. An ion is formed a) By either adding or subtracting protons from the atom. b)...
23. An ion is formed a) By either adding or subtracting protons from the atom. b) By either adding or subtracting electrons from the atom. c) By either adding or subtracting neutrons from the atom. d) All of the above are truc. e) Two of the above are true. 24. The symbol for the rubidium ion is a. Rb b. R c. R2 d. Ru Rb+1 Rb c. 25. Which of the following formulas is incorrect? a. AIO sb. KBr...
6. The most common ion of bromine has a charge of A. +2 В. +1 C....
6. The most common ion of bromine has a charge of A. +2 В. +1 C. -1 D. -2 E. bromine only forms covalent compounds. Which atom in Period 5 of the periodic table has the largest radius? 7. A. Xenon B. Cadmium C. Strontium D. Yttrium E. Rubidium 8. Which of the following covalent bonds is most polar? A. O-F В. Н-F C. C-F D. Cl-F None of these bonds is polar. E. 9. How many electrons are on...
6. Write the formula for the following compounds (10 pts) Zine Oxide Sulfur dioxide Hydrochloric acid...
6. Write the formula for the following compounds (10 pts) Zine Oxide Sulfur dioxide Hydrochloric acid Dihydrogen monoxide Magnesium hydroxide Give the names and formulas for the cation and anion in the ionic Compound Cu(OH): (copper (II) hydroxide). (5 pts) 7. a. b. Give the name of the molecular compound N20s. (5 pts)
8. Draw the Lewis dot symbol for the s-2 ion. Answer: 9. The Lewis symbol for the selenium atom showsvalence she11 electrons. The number of covalent bonds which selenium normally forms in order to complete its valence shell and obey the octet rule is Answer 10. The total number of bonds in the thiocyanate ion, sCN Answer: 11. The total number of non-bonding electrons in the NF3 molecule is Answer: 12. The ground state electron configuration, using abbreviated electron configuration,...
a) Ca is located in the 2A family of the periodic chart, what would be the predicted charge (give both sign and magnitude (numerical value) of the ion formed by Ca? Is this Ca ion called an anion or a cation? Would this calcium ion be larger or smaller radius than a neutral Ca atom? b) P is located in the 5A family of the periodic chart, what would be the predicted charge (sign and magnitude) of the ion formed...
its a two part question. plz look at second pic
BA 3A 4A 5A 6A 7A He 27 Na Mg 3B 4B 5B 6B7B 8B1B2B K ca sa Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd Hf Ta W Re Os Ir Pt Au Hg At Rn TI Ra AC Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu FE...
Write the formula for the compound that forms between the elements listed below. Classify each compound as covalent or ionic. a magnesium and nitrogen b indium and sulfur Csodium and sulfur d barium and bromine
answer all please
YEN 18. The electron configuration 18-2-2p 3s 3p applies to all of the following species except ACI B. Ar C. Ca2+ D. Na Ε Κ 19. Rank the following elements in order of increasing atomic size: Ge, Rb, S, Ne A Ge<Rb Ne <S B. Rb<S<Ne <Ge C. S < Ne < Ge<Rb D. Ne <S<GeRb E Rb <e <Ne <S 20. Select the pair that has the larger atom or ion listed first. A Ca?. Ca...
Chemistry CHE 140, 170, 180 о Goal: With reference only to the periodic table, to write the electron configuration of the ground state (lowest energy), gaseous, atoms. Tools: (1) A list of the electronic sublevels within the atom in order of their increasing energy. (Write the list, 1s 2s 2p <6s, in the boxes below as indicated, by inspection of the "Aufbau" diagram or of the periodic table, where the order is explicit) (ii) Fill in the box below each...
nucleus TEST Try Practice Problems 4.79 to 4.94 esent PRACTICE PROBLEMS 1.8 Trends in Periodic Properties 4.71 Write the group number using both A/B and I to 18 nota- tions for elements that have the following outer electron configuration: d. 5245p 4.72 Write the group number using both A/B and I to 18 nota- tions for elements that have the following outer electron configuration: h45 d. 5242105 4.73 Write the valence electron configuration for each of the following: a. alkali...
23. An ion is formed a) By either adding or subtracting protons from the atom. b) By either adding or subtracting electrons from the atom. c) By either adding or subtracting neutrons from the atom. d) All of the above are truc. e) Two of the above are true. 24. The symbol for the rubidium ion is a. Rb b. R c. R2 d. Ru Rb+1 Rb c. 25. Which of the following formulas is incorrect? a. AIO sb. KBr...
6. The most common ion of bromine has a charge of A. +2 В. +1 C. -1 D. -2 E. bromine only forms covalent compounds. Which atom in Period 5 of the periodic table has the largest radius? 7. A. Xenon B. Cadmium C. Strontium D. Yttrium E. Rubidium 8. Which of the following covalent bonds is most polar? A. O-F В. Н-F C. C-F D. Cl-F None of these bonds is polar. E. 9. How many electrons are on...
6. Write the formula for the following compounds (10 pts) Zine Oxide Sulfur dioxide Hydrochloric acid Dihydrogen monoxide Magnesium hydroxide Give the names and formulas for the cation and anion in the ionic Compound Cu(OH): (copper (II) hydroxide). (5 pts) 7. a. b. Give the name of the molecular compound N20s. (5 pts)
Most questions answered within 3 hours.
-
A
752 mL sample of water was placed in a 1000 gram pan of aluminum.
The...
asked 1 minute from now -
1 point) Given the significance level α=0.01 find the following:
(a) left-tailed z value z= (b)...
asked 4 seconds from now -
Calculate the expected value, the variance, and the standard
deviation of the given random variable X....
asked 1 minute ago -
Assume that in a hydrogen atom, the electron circles the nucleus
in a circle of radius...
asked 5 minutes ago -
Describe two obstacles that makes fixing atmospheric nitrogen
difficult.
asked 10 minutes ago -
T
F 53) Most differences
between human groups are the result of biology rather than
culture....
asked 15 minutes ago -
A 5.20 mW helium neon laser emits a visible laser beam with a
wavelength of 633...
asked 18 minutes ago -
Assignment:
Your
organization has made a strategic decision
to
outsourcework
currently performed in house. You have...
asked 17 minutes ago -
A hospital performs 100 surgeries per week. The probability that
complications after surgery occur is 10%....
asked 17 minutes ago -
In preparing its cash flow statement for the year ended December
31, 2018, Green Co. gathered...
asked 19 minutes ago -
Donna is 18 years old and full time accounting student.She is
saving for an overseas holiday...
asked 20 minutes ago -
Service-oriented architectures (SOA) provide
object-oriented architectures for web platforms that represent a
collection of services. SOA...
asked 20 minutes ago