Atomic Structure Quiz

An atom with 3 protons, 4 neutrons, and 3 electrons has an atomic number of ______.

• 3

• 4

• 7

• 12

Tags

NGSS.MS-PS1-1

What is the mass number of an atom with 6 protons, 8 neutrons, and 6 electrons?

• 6

• 14

• 20

• 8

Tags

NGSS.MS-PS1-1

How many neutrons are present in a carbon nucleus with an atomic mass of 14?

• 6

• 8

• 14

• 7

Tags

NGSS.MS-PS1-1

Which of the following best describes the number of electrons in a neutral atom?

• Equal to the number of neutrons

• Equal to the atomic mass

• Equal to the number of protons

• Twice the atomic number

Tags

NGSS.MS-PS1-1

The elements in the Periodic Table are arranged in order of increasing _______.

• atomic number

• atomic radius

• mass number

• neutron number

What are the horizontal rows on the periodic table called?

• groups

• periods

• families

• sections

What are the vertical columns of the Periodic Table called?

• spectra

• periods

• groups

• energy levels

Which elements belong in the same family or group?

• sodium and potassium

• sodium and magnesium

• potassium and calcium

• lithium and beryllium

The element with atomic number 17 is

• chlorine

• oxygen

• nitrogen

• carbon

Which subatomic particle has no charge?

• alpha particle

• proton

• neutron

• electron