Structure of an Atom

The positively charged particles of an atom are the ________.

• electrons

• protons

• neutrons

• protons & neutrons

Tags

NGSS.MS-PS1-1

The negatively charged particles of an atom are the ______.

• electrons

• protons

• neutrons

• protons & neutrons

Tags

NGSS.MS-PS1-1

In an atom, what is the number of protons equal to?

• The number of electrons.

• The number of neutrons.

• The number of molecules.

• The number of nuclei.

A neutron has this charge

• negative

• positive

• neutral

A proton has this charge

• negative

• positive

• neutral

Most of the atom is filled with

• electrons

• empty space

• the nucleus

• protons

Tags

NGSS.MS-PS1-1

An atom with atomic number 6 would have how many protons?

• 6

• 12

• 3

• cannot be determined 

How many electrons are in the element, Oxygen, with the atomic number of 8?

• 7

• 10

• 8

• 9

An electron has this charge

• positive

• negative

• neutral

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of these are parts of the atom?

• Protons, ProAthletes, Neutrons

• Neutrons, Protons, Electrons

• Mitochondria, Electrons, Protons

• Oxygen

Tags

NGSS.MS-PS1-1