PS Mid Unit One Exam

Last updated 6 months ago

20 questions

Required

Library

PS Mid Unit One Exam

Last updated 6 months ago

20 questions

Question 1

What is the state of matter for water at 100°C?

Plasma

Solid

Gas

Liquid

Question 2

Which particle has a positive charge?

Proton

Photon

Electron

Neutron

Question 3

What state of matter has a definite volume but no definite shape?

Plasma

Gas

Solid

Liquid

Question 4

What is the charge of a neutron?

Positive

Neutral

Variable

Negative

Question 5

What forms the nucleus of an atom?

Electrons only

Ions only

Protons and Neutrons

Molecules only

Question 6

What do we call substances made of two or more elements?

element

Mixtures

Isotopes

Compounds

Question 7

Which state of matter has no fixed volume or shape?

Liquid

Gas

Solid

Bose-Einstein condensate

Question 8

Which particles are found outside the nucleus?

Electrons

Protons

Quarks

Neutrons

Question 9

What is the atomic number of an element?

Number of protons

Mass of atom

Number of neutrons

Number of electrons

Question 10

10.

What can change a solid directly into a gas?

Condensation

Melting

Evaporation

Sublimation

Question 11

11.

What do atoms combine to form?

Ions

Protons

Molecules

Electrons

Question 12

12.

Which state of matter contains particles that vibrate in place?

Gas

Solid

Plasma

Liquid

Question 13

13.

What happens to gas particles when cooled?

They move slower

They gain mass

They spread out

They contract

Question 14

14.

How are metals generally characterized on the periodic table?

Poor conductivity

Gaseous at room temp

Brittle

Good conductivity

Question 15

15.

What is the process of changing a gas to a liquid called?

Condensation

Evaporation

Solidification

Sublimation