Atomic Structure Test Review with e config

The basic building block of matter

• atom

• proton

• molecule

• electron

Tags

NGSS.MS-PS1-1

The approximate mass of a proton is ______ a.m.u

• 0

• 1

• 2

• 6

The negatively charged subatomic particle

• Proton

• Neutron

• Electron

Which subatomic particles are found in the nucleus of an atom?

• Protons and electrons

• Protons and neutrons

• Neutrons and electrons

• Protons only

Tags

NGSS.HS-PS1-8

The number of protons for an atom is determined from what on the periodic table?

• Atomic number

• Atomic mass number

• Mass number

• Mass number - atomic number

How many protons does a magnesium atom have?

• 6

• 12

• 24

• 25

Tags

NGSS.MS-PS1-1

How many electrons does a neutral atom of barium (Ba)

• 54

• 56

• 81

• 137

What is the atomic mass of nickel

• 28

• 58

• 58.693

• 59

A charged atom

• element

• Ion

• Isotope

• Valence

Tags

NGSS.HS-PS1-3

How many electrons does a ⁴⁰Ca²⁺ atom have?

• 2

• 18

• 20

• 40