Matter Post Quiz

Which subatomic particle is negatively charged and found outside the nucleus of an atom?

• Proton

• Neutron

• Electron

• Nucleus

What is the formula for calculating density?

• Density = Mass × Volume

• Density = Mass ÷ Volume

• Density = Volume ÷ Mass

• Density = Mass + Volume

Which state of matter has a definite shape and a definite volume?

• Solid

• Liquid

• Gas

• Plasma

Which of the following best describes a compound?

• A pure substance made of only one kind of atom

• A mixture of different elements

• A substance made of two or more elements chemically bonded together

• A solution of metals

Which of the following is a chemical property?

• Melting point

• Density

• Reactivity with acid

• Color

Which of the following is an example of a physical change?

• Burning wood

• Rusting iron

• Melting ice

• Baking a cake

Which type of bond involves the sharing of electrons between atoms?

• Ionic bond

• Covalent bond

• Metallic bond

• Hydrogen bond

Which of the following best explains why gases can be compressed more easily than solids or liquids?

• Gas particles are closer together

• Gas particles are farther apart

• Gas particles are heavier

• Gas particles are larger

If you have two objects of the same volume but different masses, which one has the higher density?

• The one with the smaller mass

• The one with the larger mass

• Both have the same density

• Cannot be determined

A chemical equation is balanced when:

• The number of atoms of each element is the same on both sides

• The total mass is greater on the product side

• There are more reactants than products

• The equation contains only one compound