Atomic Structure & Periodic Table Test Review

Particles that are found in the nucleus are called _________.

• solids

• isotopes

• electrons

• neutrons and protons

Which of the following particles has a negative charge?

• Protons

• Neutrons

• Electrons

• Atoms

Tags

NGSS.MS-PS2-3

What is the term for atoms of the same element with different numbers of neutrons?

• Molecules

• Isotopes

• Compounds

• Ions

Which subatomic particle is responsible for the chemical properties of an atom?

• Protons

• Neutrons

• Electrons

• Nuclei

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms of the same element with different number of neutrons

• Solids

• Isotopes

• Neutrons

• Protons

_______ are elements that are gases, brittle, and poor conductors at room temperature.

• Halogens

• Non Metals

• Solids

• Metals

If a certain atom has 25 protons, 25 electrons, and 20 neutrons. Mass Number = _____

• 25

• 50

• 45

• 20

What is the charge of a proton?

• No charge

• Neutral

• Negative

• Positive

Which of the following is a characteristic of metals?

• Brittle

• Poor conductor

• Malleable

• Gaseous

What is the atomic number of an element with 15 protons?

• 60

• 45

• 30

• 15