Final Review

What is NOT an element from the periodic table?

• Hydrogen

• Carbon

• Einsteinium

• Neutron

What is the symbol for "Potassium"?

• P

• Pb

• K

• Pt

What element has the symbol "C"?

• Carbon

• Calcium

• Chromium

• Chlorine

Which element has the atomic number 28?

• Nickel

• Silicon

• Nitrogen

• Copper

What is the atomic number of "Argon"?

• 13

• 18

• 39.948

• 26.982

How many protons does "Gallium" have?

• 31

• 32

• 69.732

• 72.630

In a neutral atom, the atomic number is always the same as the number of ____________ and ____________.

• Protons, neutrons

• Protons, electrons

• Electrons, neutrons

• Atoms, ions

How many electrons does a "Sulfur" atom have?

• 16

• 32

• 15

• 3

Tags

NGSS.MS-PS1-1

How many protons and electrons does a "Fluorine" atom have?

• 9 protons, 9 electrons

• 19 protons, 9 electrons

• 9 protons, 19 electrons

• 19 protons, 19 electrons

What is the atomic mass of "Zinc"?

• 29

• 65.38

• 65

• 32.06