17.2 Masses of Atoms

the central region of an atom where its neutrons and protons are is its 

• nucleus 

• electron cloud

• core 

• center 

an atom with atomic number 6 would have how many protons 

• 6

• 12

• 3

• cannot be determined 

What is the atomic number for an element with three protons?

• 2

• 1

• 3

• 6

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

A particle that moves around the nucleus is a(n)...

• Proton

• Neutron

• Electron

• Quark

What is the number of protons that the element in this image contain?

• 14

• 7

• 15

• 18

What is the atomic mass of "F"

• 9

• 18

• 17

• 19

The atomic number of an elements is the total number of which particles in the nucleus?

• neutrons

• protons

• electrons

• protons and electrons

What is the number of protons that the element in this image contain?

• 14

• 7

• 15

• 18

If the number of protons equal the number of _____, the atom will have no charge

• protons

• neutrons

• electrons

• nucleus