Atoms and Elements - Assessment

1.

Multiple Choice

30 sec

1 pt

What is the chemical symbol for the element hydrogen

H

He

h

he

2.

Multiple Choice

30 sec

1 pt

What is the chemical symbol for the element Carbon

ca

co2

C

Cd

3.

Multiple Choice

30 sec

1 pt

What is the chemical symbol for the element Nitrogen

Ni

N

No

Nb

4.

Multiple Choice

30 sec

1 pt

The horizontal row on the periodic table is called a

group

family

period

atomic number

5.

Multiple Choice

30 sec

1 pt

A vertical column is called...

group

tower

period

crew

6.

Multiple Choice

30 sec

1 pt

The number at the top of each square on the periodic table is the ...

atomic number

atomic mass

Chemical Symbol

Element Name

7.

Multiple Choice

1 min

1 pt

The atomic number tells you what?

number of electrons

number of protons

number of neutrons

both electrons and protons in an atom.

8.

Multiple Choice

30 sec

1 pt

A proton is....

A negatively charged subatomic particle

A positively charged subatomic particle

A neutrally charged subatomic particle

The only subatomic particle located in the nucleus

9.

Multiple Choice

20 sec

1 pt

The smallest particle of any particular type of matter is known by which of the following terms?

Compound

Atom

Chemical

Element

10.

Multiple Choice

30 sec

1 pt

The subatomic particle with a negative charge is the

electron

proton

neutron

nucleus

11.

Multiple Choice

1 min

1 pt

The chart that arranges elements by atomic number is:

Atomic Number

Metal

Periodic Table

Chart

12.

Multiple Choice

30 sec

1 pt

Particles in an atom that are neutral and have no charge are

negatrons

electrons

neutrons

protons

13.

Multiple Choice

30 sec

1 pt

The positive particles of an atom are

electrons

positrons

neutrons

protons

14.

Multiple Choice

30 sec

1 pt

How many different elements are in this chemical formula: C₂H₂ClK₃

6

8

2

4

15.

Multiple Choice

2 mins

1 pt

How many elements are in C₆H₁₂O₆?

1

2

3

4

16.

Multiple Choice

30 sec

1 pt

A substance that cannot be broken down into simpler substances is called a(n) _____________.

compound

mixture

element

molecule

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