basic atomic structure

This particle determines the identity of an atom.

• proton

• neutron

• electron

• gluon

Who discovered protons?

• Bohr

• Thompson

• Dalton

• Rutherford

Using your periodic table, how many electrons are in a neutral atom of Sodium?

• 11

• 23

• 16

• 32

Which of the following contributes to the total mass of the atom (select all that apply)

• neutrons

• electrons

• protons

• isotopes

Who said the atom was like a plum pudding?

• Rutherford

• Dalton

• Thompson

• Bohr

Who said the atom was like a solid ball

• Rutherford

• Thompson

• Bohr

• Dalton

Using your periodic table, how many neutrons would be in an atom of Beryllium (Be)

• 9

• 4

• 5

• 11

Which of the following has 12 protons?

• Carbon

• Magnesium

• Manganese

• Calcium

The number 16 for the atomic element sulfur is the

• ionic number

• isotope

• atomic mass

• atomic number

The center of an atom is called the ________________.

• electron cloud

• nucleus

• neutrion

• nuetron