Chem Review

Which of the following is NOT an example of matter?

• air
• heat
• smoke
• water vapor

All of the following are physical properties of matter EXCEPT ___.

• mass
• color
• melting point
• ability to rust

A vapor is which state of matter?

• solid
• liquid
• gas
• all of the above

Which of the following is a physical change?

• corrosion
• explosion
• evaporation
• rotting of food

Which of the following is a heterogeneous mixture?

• air
• salt water
• steel
• soil

Which of the following is a homogeneous mixture?

• Salt water
• beef stew
• sand and water
• soil

Which of the following items is NOT a compound?

• baking soda
• salad dressing
• sucrose
• table salt

A substance that can be separated into two or more substances only by a chemical change is a(an) ___.

• solution
• element
• mixture
• compound

What is in the nucleus of the atom?

• Protons, Neutrons, and Electrons

• Protons

• Protons and Neutrons

• Neutrons

What is the formula for X with a charge of +3 mixing with Y with a charge of -2?

• X2Y3

• X3Y2

• YX

• X6Y6

Tags

NGSS.MS-PS1-1