Question 1

Which of the following is a positively charged subatomic particle?

Accepted Answer

proton

Answer

H+

Answer

electron

Answer

neutron

Question 2

What is the atomic number for nitrogen

Accepted Answer

7

Answer

14.007

Answer

1

Question 3

The atomic number represents what?

Accepted Answer

the number of protons in the nucleus

Answer

the number of orbitals

Answer

the number of bonds

Answer

the mass of the atom

Question 4

When two atoms form a bond by sharing electrons, the bond is called:

Accepted Answer

covalent

Answer

hydrogen

Answer

ionic

Answer

unstable

Question 5

Which of the following represents a COMPOUND

Accepted Answer

CO2

Answer

H2

Answer

N2

Question 6

An atom that loses an electron becomes a(n):

Accepted Answer

cation

Answer

anion

Answer

free radical

Question 7

An atom that contains 12 protons and 12 neutrons will have an atomic mass of:

Accepted Answer

24

Answer

12

Answer

6

Question 8

Orbitals within shells around the nucleus of an atom can each hold no more than ___ electrons.

Accepted Answer

2

Answer

4

Answer

6

Answer

8

Question 9

How many electrons would aluminum have in its valence shell.  It's atomic number is 13.

Accepted Answer

3

Answer

13

Answer

8

Answer

2

Question 10

The noble gasses, like helium and xenon are called "noble" because:

Accepted Answer

they rarely bond with other elements

Answer

they have no electrons

Answer

they are unstable

Answer

they are extremely rare

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