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Question 3 (1 point) Atoms of an element, X, have the electronic configuration of 1s 2s22p6...
. An element has the following electronic configuration: [Ar]3d1 4s (a) What period does it belong...
. An element has the following electronic configuration: [Ar]3d1 4s (a) What period does it belong to? (b) What is its group number? (Use group numbers from 1 to 18) (c) What kind of element is it? (Main group metal, transition metal, metalloid, nonmetal?) d) How many unpaired electrons are there in an atom of this element? 2. (a) What element has this electronic configuration? 1s 2s 2p'3s3p (b) What element has this electronic configuration? 3d 4s 4p 3. (a)...
Quantum Theory and the Electronic structure of atoms; 1-the electron configuration of a neutral atom is...
Quantum Theory and the Electronic structure of atoms; 1-the electron configuration of a neutral atom is 1s²2s²2p^63s². Write a complete set of quantum numbers for each of the electrons. name the element. 2-what is the maximum number of electrons in an atom that can have the following quantum numbers? Specify the orbitals in which the electrons would be found. (A) n=2, ms= +1/2; (b) n=4, mℓ=+1; (c) n=3, ℓ=2; (d) n=2, ℓ=0, ms= -1/2; (e) n=4, ℓ=3, mℓ=-2. 3- certain...
Question 25 (1 point) How many carbon atoms are there in a hydrocarbon chain with no...
Question 25 (1 point) How many carbon atoms are there in a hydrocarbon chain with no double bonds, where there are ten hydrogen atoms in the molecule? O a) 4 Ob) 6 O O O c) 2 Od) 5 Question 26 (1 point) The compound M2X3 has a molar mass of 160 g/mol. If element X is oxygen, then element M is most likely: O AI. O Ga. O Fe. O Ni. Question 27 (1 point) The measurement that shows...
Question 56 (1 point) Four elements: W, X, Y and Z have successive atomic numbers. Each...
Question 56 (1 point) Four elements: W, X, Y and Z have successive atomic numbers. Each atomic number increased by one in the order given. Element Y is a noble gas. Element W would most likley form a compound with: O lithium with the formula LiW. O iodine with the formula Wiz. O element Z with the formula WZ. hydrogen with the formula H2W. Question 61 (1 point) An element X combines with element Y to form a compound. If...
A. If the following elements were to form an ionic compound, which noble-gas configuration would they...
A. If the following elements were to form an
ionic compound, which noble-gas configuration would they most
likely attain?
Drag the appropriate elements to their respective bins.
B. An unknown element, X, reacts with lithium
to form the compound Li2X. In other compounds this element also can
accommodate up to 12 electrons rather than the usual octet. What
element could Xbe?
If the following elements were to form an ionic compound, which noble-gas configuration would they most likely attain? Drag...
I need help with all these questions. Please and thank you 1. An element has the...
I need help with all these questions. Please and thank you
1. An element has the following electronic configuration: [Kr]4d5552 (a) What period does it belong to? (b) What is its group number? (Use group numbers from 1 to 18) (c) What kind of element is it? (Main group metal, transition metal, metalloid, nonmetal?) (d) How many unpaired electrons are there in an atom of this element? (a) What element has this electronic configuration? 1s 2s 2p 3s2 (b) What...
The following Lewis diagram represents the valence electron configuration of a main-group element. X• The element...
The following Lewis diagram represents the valence electron configuration of a main-group element. X• The element in period 6 that has this valence electron congfiguration is BA 3A 4A SA 6A 7A He se Na Mg 3B 4B 5B 6B 78 mm 88 18 28 Al Si P S Cl Ar Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Zr Nb Mo Tc Ru RN Pa Rg Cain Sn Sb Te Ba La HT Ta...
I need all please 10. Name an element represented by the Lewis structure : X: 11...
I need all please
10. Name an element represented by the Lewis structure : X: 11 Name an element that is most likely to form an ion with a 3 - charge 12. A chemical bond formed when two atoms share two pairs of electrons is a bond, 13. Which element is most likely to form two covalent bonds? 14. Name an element that has two valence electrons 15. In forming covalent bonds where the octet rule is obeyed, oxygen...
Question 9 (1 point) ✓ Saved Which of the following represents the ground state electron configuration...
Question 9 (1 point) ✓ Saved Which of the following represents the ground state electron configuration for a N atom? (Atomic number N = 7) 152 2s22p 3s23p3 O 1s 2s22p3 1s 2s22p 3p 152 2s22p6355 O 15² 255
1. An element belongs to Group 9. What common name might be used to describe the...
1. An element belongs to Group 9. What common name might be used to describe the group to which the element belongs? a) alkaline earth b) semimetal c) nonmetal d) transition metal e) noble gas 2. Which of the following elements is most likely to react with oxygen? a) aluminium b) argon c) magnesium d) nitrogen e) silicon 3. Which element X is most likely to react to form the compound XF5? a) carbon b) antimony c) chlorine d) calcium...
. An element has the following electronic configuration: [Ar]3d1 4s (a) What period does it belong to? (b) What is its group number? (Use group numbers from 1 to 18) (c) What kind of element is it? (Main group metal, transition metal, metalloid, nonmetal?) d) How many unpaired electrons are there in an atom of this element? 2. (a) What element has this electronic configuration? 1s 2s 2p'3s3p (b) What element has this electronic configuration? 3d 4s 4p 3. (a)...
Question 25 (1 point) How many carbon atoms are there in a hydrocarbon chain with no double bonds, where there are ten hydrogen atoms in the molecule? O a) 4 Ob) 6 O O O c) 2 Od) 5 Question 26 (1 point) The compound M2X3 has a molar mass of 160 g/mol. If element X is oxygen, then element M is most likely: O AI. O Ga. O Fe. O Ni. Question 27 (1 point) The measurement that shows...
Question 56 (1 point) Four elements: W, X, Y and Z have successive atomic numbers. Each atomic number increased by one in the order given. Element Y is a noble gas. Element W would most likley form a compound with: O lithium with the formula LiW. O iodine with the formula Wiz. O element Z with the formula WZ. hydrogen with the formula H2W. Question 61 (1 point) An element X combines with element Y to form a compound. If...
A. If the following elements were to form an
ionic compound, which noble-gas configuration would they most
likely attain?
Drag the appropriate elements to their respective bins.
B. An unknown element, X, reacts with lithium
to form the compound Li2X. In other compounds this element also can
accommodate up to 12 electrons rather than the usual octet. What
element could Xbe?
If the following elements were to form an ionic compound, which noble-gas configuration would they most likely attain? Drag...
I need help with all these questions. Please and thank you
1. An element has the following electronic configuration: [Kr]4d5552 (a) What period does it belong to? (b) What is its group number? (Use group numbers from 1 to 18) (c) What kind of element is it? (Main group metal, transition metal, metalloid, nonmetal?) (d) How many unpaired electrons are there in an atom of this element? (a) What element has this electronic configuration? 1s 2s 2p 3s2 (b) What...
The following Lewis diagram represents the valence electron configuration of a main-group element. X• The element in period 6 that has this valence electron congfiguration is BA 3A 4A SA 6A 7A He se Na Mg 3B 4B 5B 6B 78 mm 88 18 28 Al Si P S Cl Ar Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Zr Nb Mo Tc Ru RN Pa Rg Cain Sn Sb Te Ba La HT Ta...
I need all please
10. Name an element represented by the Lewis structure : X: 11 Name an element that is most likely to form an ion with a 3 - charge 12. A chemical bond formed when two atoms share two pairs of electrons is a bond, 13. Which element is most likely to form two covalent bonds? 14. Name an element that has two valence electrons 15. In forming covalent bonds where the octet rule is obeyed, oxygen...
Question 9 (1 point) ✓ Saved Which of the following represents the ground state electron configuration for a N atom? (Atomic number N = 7) 152 2s22p 3s23p3 O 1s 2s22p3 1s 2s22p 3p 152 2s22p6355 O 15² 255
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