Subatomic Particles

Which particle has a positive charge?

• electron

• proton

• neutron

• anion

An atom is neutral. This means that the number of ________ must equal the number of ________.

• protons, electrons

• neutrons, electrons

• protons, neutrons

The number of protons in an atom is also its_______.

• charge

• atomic mass

• mass number

• atomic number

All of the atoms of the same element will have the same number of _________.

• protons

• neutrons

• ions

• nuclei

The charge of this is _______.

• 0

• +3

• 92

• 238

Tags

NGSS.HS-PS1-8

Which statement is true?

• Protons, neutrons, and electrons all have about the same mass.

• Protons and electrons have about the same mass but neutrons weigh significantly more.

• Protons and neutrons have about the same mass but electrons have almost no mass.

• Electrons and neutrons have about the same mass but protons have almost no mass.

Tags

NGSS.MS-PS1-1

In this picture, 26 represents ___________.

• the atomic number

• the number of electrons

• the number of neutrons

• the number of protons plus neutrons

The part of the atom that is involved in bonding is ___________.

• protons

• electrons

• neutrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Ions form from _____________________________.

• the loss or gain of protons

• the loss or gain of neutrons

• the loss or gain of electrons

Tags

NGSS.HS-PS1-1

What is the charge of a cation?

• positive

• negative

• neutral

Tags

NGSS.HS-PS1-1