1. Write the symbol and name of the ion formed by: a). cesium (Cs) b). lead...
1. Write the symbol and name of the ion formed by: a). cesium (Cs) b). lead (Pb) c). tellurium (Te) d). carbon (C)
2. How many valence electrons are in each atom in problem 1?
Homework Answers
Add Answer to:
1. Write the
symbol and name of the ion formed by: a). cesium (Cs) b). lead...
Write the chemical symbol for a. An atom with 8 protons, 8 neutrons and 10 electrons....
Write the chemical symbol for a. An atom with 8 protons, 8 neutrons and 10 electrons. b. An atom with 16 protons, 16 neutrons and 16 electrons c. An atom with 11 protons, 11 neutrons and 10 electrons d. What are the only two orbitals that contain valence electrons? e. Which element has the noble gas configuration [Arl 4s2 3d7? f. Write the noble gas configuration for lead (Pb)
1- an atom has the following chemical symbol: 114Cd a- how many protons does this atom...
1- an atom has the following chemical symbol: 114Cd a- how many protons does this atom have? b- how many neutrons does this atom have? c- how many electrons does this atom have? 2- an ion has 33 protons, 41 neutrons, and 36 electrons a- what is the mass number of this atom? b- what is the symbol for this ion? enter both mass and the atomic number 3- which of these ions has the same number of electrons as...
References Chapter 2: EOC Choose the name and chemical symbol for a nonmetal in the second...
References Chapter 2: EOC Choose the name and chemical symbol for a nonmetal in the second period. , carbon , lithium , beryllium Choose the name and chemical symbol for an alkali metal in the fifth period. , potassium , barium , cesium , rubidium Choose the name and chemical symbol for the third-period halogen. , chlorine , argon , fluorine , sulfur Choose the name and chemical symbol for an element that is a gas at 20 °C and...
Please answer briefly Those the elements NAME protons neutrons electrons Neutral/Ion SYMBO L S2- ATOM #...
Please answer briefly
Those the elements
NAME protons neutrons electrons Neutral/Ion SYMBO L S2- ATOM # 16 MASS # 36 Sulfur 16 20 18 -2 ion K 19 39 19 20 19 neutral potassium Barium Calcium Ba2+ 56 145 56 89 54 +2 ion Ca2+ 20 40 20 20 18 +2 ion Bromine Br-1 35 80 35 45 36 -1 ion Tellurium Te 52 131 52 79 52 neutral 8. Complete the table with the names and symbols of the...
1. How many electrons appear in the Lewis symbol for an element whose electron configuration is...
1. How many electrons appear in the Lewis symbol for an element whose electron configuration is 1s'2s'2p? a. 2 b. d. 2. In which of the following ionic compounds are ions with a +2 charge present? a LiSe c Mg,Si d. SnO 3. The Roman numeral ." in the name iron(m) oxide indicates that: a. iron is present in the form of +3 ions b. there are three iron atoms per formula unit c. there are three oxygen atoms per...
help 2. For each of the following atoms, give the formula of the ion that the...
help
2. For each of the following atoms, give the formula of the ion that the atom is most likely to form and identify that ion as a cation or an anion. a) bromine b) sulfur c) gallium d) rubidium 3. Write the abbreviated electron configuration for the following: a) gain of 2 electrons by selenium b) loss of 3 electrons by gallium 4. a) What is the formula of the compound formed between: (i) Al and Se ii) Ca...
1. (2 pts) Given the name or symbol for an element and its mass#, Fill in...
1. (2 pts) Given the name or symbol for an element and its mass#, Fill in the table: Element # protons # neutrons # electrons 87Rb+ 128Te-2 2. (3 pts) Write the correct symbol and charge for the following: An atom with 47 protons, mass number 107, and 46 electrons. An atom with 2 more electrons than protons, mass number 80, and 46 neutrons. Write the atomic symbol for the element whose ion has a 2- charge, has 20 more...
1/ What is the atomic mass and atomic number for the following (show how to write...
1/ What is the atomic mass and atomic number for the following (show how to write it and express it). How many protons, neutrons, and electrons are present in atoms with the following characteristics? a. Fe? ? b. Be? ? c. Au? ? d. Pb? ? 2/ How many valence electrons do atoms with the following electron configurations have and what is the chemical symbol? 1s22s22p63s2 1s22s22p63s23p64s23d104p6 1s22s22p63s23p5 1s22s22p63s23p64s23d10
locate these elements in the periodic table and then draw a lewis dot symbol that represents...
locate these elements in the periodic table and then draw a lewis
dot symbol that represents a number of valence electrons for an
atolm of each
12. Unde he Love these elements in the periodic table and then draw a Lewis dat symbol r of valence electrons for an atom of each b) Bir d) S c) Na e) N 10. Give the electron configurations of these ions, and indicate which ones are isoelectronic a) Ca2+ b) K+ c) O2-...
2 & 3 please. 2. Write the name of the element for each symbol. a. He...
2 & 3 please.
2. Write the name of the element for each symbol. a. He b. P e. Na e. Ca f. Br g. Cd d. As h. Si Complete the following table for a neutral atom of each element: Name Number Number Number of the Atomic Mass of Element Symbol Number Number Protons Neutrons Electrons of of Calcium 42 56 138
Write the chemical symbol for a. An atom with 8 protons, 8 neutrons and 10 electrons. b. An atom with 16 protons, 16 neutrons and 16 electrons c. An atom with 11 protons, 11 neutrons and 10 electrons d. What are the only two orbitals that contain valence electrons? e. Which element has the noble gas configuration [Arl 4s2 3d7? f. Write the noble gas configuration for lead (Pb)
Please answer briefly
Those the elements
NAME protons neutrons electrons Neutral/Ion SYMBO L S2- ATOM # 16 MASS # 36 Sulfur 16 20 18 -2 ion K 19 39 19 20 19 neutral potassium Barium Calcium Ba2+ 56 145 56 89 54 +2 ion Ca2+ 20 40 20 20 18 +2 ion Bromine Br-1 35 80 35 45 36 -1 ion Tellurium Te 52 131 52 79 52 neutral 8. Complete the table with the names and symbols of the...
1. How many electrons appear in the Lewis symbol for an element whose electron configuration is 1s'2s'2p? a. 2 b. d. 2. In which of the following ionic compounds are ions with a +2 charge present? a LiSe c Mg,Si d. SnO 3. The Roman numeral ." in the name iron(m) oxide indicates that: a. iron is present in the form of +3 ions b. there are three iron atoms per formula unit c. there are three oxygen atoms per...
help
2. For each of the following atoms, give the formula of the ion that the atom is most likely to form and identify that ion as a cation or an anion. a) bromine b) sulfur c) gallium d) rubidium 3. Write the abbreviated electron configuration for the following: a) gain of 2 electrons by selenium b) loss of 3 electrons by gallium 4. a) What is the formula of the compound formed between: (i) Al and Se ii) Ca...
locate these elements in the periodic table and then draw a lewis
dot symbol that represents a number of valence electrons for an
atolm of each
12. Unde he Love these elements in the periodic table and then draw a Lewis dat symbol r of valence electrons for an atom of each b) Bir d) S c) Na e) N 10. Give the electron configurations of these ions, and indicate which ones are isoelectronic a) Ca2+ b) K+ c) O2-...
2 & 3 please.
2. Write the name of the element for each symbol. a. He b. P e. Na e. Ca f. Br g. Cd d. As h. Si Complete the following table for a neutral atom of each element: Name Number Number Number of the Atomic Mass of Element Symbol Number Number Protons Neutrons Electrons of of Calcium 42 56 138
Most questions answered within 3 hours.
-
> Women’s pulse rates are normally distributed with a mean of
68.5 beats per minute and...
asked 3 minutes ago -
Briefly describe an aspect of the strengths perspective that is
consistent with your own understanding of...
asked 5 minutes ago -
Step by step method of using Sparse Identification of Nonlinear
Dynamics (SINDy) to model your own...
asked 12 minutes ago -
3) What are the typical social structures in a global city?
asked 3 hours ago -
Luther Corporation
Consolidated Balance Sheet
December 31, 2019 and 2018 (in $ millions)
Assets
2019
2018...
asked 3 hours ago -
(Expected rate of return and risk) Carter Inc. is evaluating a
security. Calculate the investment’s expected...
asked 6 hours ago -
What specific indicators can point to lack of progress for
African Americans in American society?
asked 7 hours ago -
1-The Electrons in a beam are moving at 2.7×108 m/s in an
electric field of 15000...
asked 7 hours ago -
A gas tank is a vertical cylinder. It has a radius of 1m, a
height of...
asked 7 hours ago -
Accent Software faces the following conditions. All of these
support Accent’s use of a market-penetration pricing...
asked 8 hours ago -
A mathematically inclined friend emails you the following
instructions: "Meet me in the cafeteria the first...
asked 8 hours ago -
A monopoly sells in two countries . The demand curves in the two
countries are p1...
asked 9 hours ago