ATOMS & PERIODIC TABLE - TEST REVIEW

What is the atomic number of Carbon?

• 6

• 12.01

• 18

• 20

How many protons does Neon contain?

• 20.18

• 30.18

• 10

• 5

C, Fe, He, and Na are the elements' __.

• abbreviations

• formulas

• symbols

• short cuts

Which element is Na?

• neon

• sodium

• nitrogen

• natrium

What is the Atomic Number of CO₂ on the Periodic Table?

• CO₂ is not on the Periodic Table since it is a compound

• 119

• 1

• 22

How many elements are identified on a Periodic Table?

• hundreds

• 1000

• 118

• 50

What is the electrical charge of the electron?

• positive

• negative

• neutral

Nitrogen's Atomic Number is 7. How many protons does it have?

• 14

• 14.007

• 7

• 0

Which is the correct way to write the symbol for chlorine, Atomic Number 17?

• CL

• cl

• Cl

• c

Where is the electron found in an atom?

• there are no electrons in an atom

• with the neutron outside of the nucleus

• inside the nucleus with the proton

• circling on the outside of the nucleus