SC135 spring 2016 quiz 2 basic chemistry, bonds Page 1

Name:______________________________ Date:_______________________________

Most shells (orbitals) of an atom can hold this many electrons (enter a number)1

Given this symbol for chlorine, how many neutrons does the atom have? (enter a number)2

Given the symbol for chlorine in number 2 above, what is the atomic number of chlorine?(enter a number)

3

Neutrons have a positive charge.4

A TrueB False

The smallest particle of an element, which still has the properties of that element, iscalled

5

A hydrogenB an atomC a moleculeD an electron

Which answer shows a chemical formula6

A waterB H20C H-O-HD H-H-OE all of the above

How many hydrogen atoms are in a molecule of C6H12O6? (enter a number)7

The primary components that contribute to the atomic mass are protons and electrons.8

A TrueB False

2/9/2016 12:27:24 PM

SC135 spring 2016 quiz 2 basic chemistry, bonds Page 2

Nitrogen has an atomic number of 7, how many valence electrons does it have? (enter anumber)

9

The bond that holds hydrogen and carbon together in molecules is a(n) ____________bond.

10

A covalentB ionicC hydrogenD none of the above

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SC135 spring 2016 quiz 2 basic chemistry, bonds Page 3

Answer Key :

Question: Answer

SC135 spring 2016 quiz 2 basic chemistry, bonds

8 (+/- 0.0%)118 (+/- 0.0%)217 (+/- 0%)3B4B5B612 (+/- 0.0%)7B85 (+/- 0%)9A10

2/9/2016 12:27:24 PM