Unit 2 Interim Review

Front

What is the law of conservation of matter?

Back

In a chemical reaction, the total mass of the reactants is equal to the total mass of the products.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or arrangement.

Front

Which element is in the same group as Arsenic (Ar)?

Back

Bismuth (Bi) is in the same group as Arsenic.

Front

What is the name of the element with the symbol Ar?

Back

Argon.

Front

What is the significance of the group in the periodic table?

Back

Elements in the same group have similar chemical properties.

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy, while kinetic energy is the energy of motion.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.