Ch. 9 Test Atomic Structure 2023

What is at the center of every atom?

• An electron
• A compound
• A molecule
• A nucleus

The positively charged particles of an atom are the ________.

• electrons

• protons

• neutrons

• protons & neutrons

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• DNA and RN

Tags

NGSS.MS-PS1-1

The subatomic particles that make up an atom.

• solid, liquid, gas

• electrons, protons, nucleus

• energy, protons, nucleus

• electrons, protons, neutrons

Tags

NGSS.MS-PS1-1

__________ are negatively charged particles that are in the orbitals around the nucleus.

• protons

• nucleus

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

A neutron has _________ charge or is ________.

• negative ... neutral

• positive .... neutral

• no .... negative

• no ... neutral

Which is an electron?

• A
• B
• C

Tags

NGSS.MS-PS1-1

A stable atom with atomic number 6 would have how many protons?

• 6

• 12

• 3

• cannot be determined 

True or False? Electrons are in the Nucleus sometimes

• True

• False

True of False?

Isotopes of an element have the same neutrons but different amount of electrons

• True!

• False!