Question 1

What is the name of the compound with the formula,K₂S?

Accepted Answer

The answer of What is the name of the compound...

Question 2

Write the electron dot symbol for carbon.

Accepted Answer

The electron dot symbol for carbon, also

Question 3

If two atoms from the same element share three pairs of electrons in forming a molecule the bond is called a

Accepted Answer

A) single covalent bond. 
B) double covalent bond. 
C) triple covalent bond. 
D) coordinate covalent bond. 
A) single covalent bond. 
B) double covalent bond. 
C) triple covalent bond. 
D) coordinate covalent bond.

Question 4

All of the following pairs are isoelectronic EXCEPT

Accepted Answer

A) Ne and Rn. 
B) Rb⁺ and Sr²⁺. 
C) Ne and Mg²⁺. 
D) F⁻ and Ne. 
A) Ne and Rn. 
B) Rb⁺ and Sr²⁺. 
C) Ne and Mg²⁺. 
D) F⁻ and Ne.

Question 5

How many oxygen atoms are in the formula for iron(III)oxide?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 6

How many phosphorus atoms are in the formula for potassium dihydrogen phosphate?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 7

When atoms lose or gain electrons in chemical reactions they form

Accepted Answer

A) new atoms. 
B) noble gases. 
C) nucleons. 
D) ions. 
A) new atoms. 
B) noble gases. 
C) nucleons. 
D) ions.

Question 8

Which atom is least likely to form an ion?

Accepted Answer

A) bromine, Br 
B) phosphorus, P 
C) aluminum, Al 
D) carbon, C 
A) bromine, Br 
B) phosphorus, P 
C) aluminum, Al 
D) carbon, C

Question 9

The anion formed when oxygen gains two electrons is called the

Accepted Answer

A) oxygen ion. 
B) oxyide ion. 
C) oxide ion. 
D) oxy ion. 
A) oxygen ion. 
B) oxyide ion. 
C) oxide ion. 
D) oxy ion.

What is the name of the compound with the formula,K₂S?

Write the electron dot symbol for carbon.

If two atoms from the same element share three pairs of electrons in forming a molecule the bond is called a

All of the following pairs are isoelectronic EXCEPT

How many oxygen atoms are in the formula for iron(III)oxide?

How many phosphorus atoms are in the formula for potassium dihydrogen phosphate?

When atoms lose or gain electrons in chemical reactions they form

Which atom is least likely to form an ion?

The anion formed when oxygen gains two electrons is called the

Chemistry

Atoms

Atomic Structure

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters

Exam 4: Chemical Bonds

What is the name of the compound with the formula,K₂S?

Write the electron dot symbol for carbon.

If two atoms from the same element share three pairs of electrons in forming a molecule the bond is called a

All of the following pairs are isoelectronic EXCEPT

How many oxygen atoms are in the formula for iron(III)oxide?

How many phosphorus atoms are in the formula for potassium dihydrogen phosphate?

When atoms lose or gain electrons in chemical reactions they form

Which atom is least likely to form an ion?

The anion formed when oxygen gains two electrons is called the

Chemistry

Atoms

Atomic Structure

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Energy

Biochemistry

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters