ChemCom Semester 1 Final 24/25

Front

What is the left part of a chemical equation called?

Back

Reactants

Front

What is the structure of an alpha particle?

Back

2 protons and 2 neutrons

Front

Which wavelength gives you sunburn?

Back

Ultra violet

Front

What is a property of a non-metal?

Back

Is brittle and breaks easily

Front

Balance the equation: ___ Al + ___ Br2 -----> ____ AlBr3

Back

2, 3, 2

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

Define a catalyst.

Back

A substance that increases the rate of a chemical reaction without undergoing any permanent chemical change.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What are products in a chemical reaction?

Back

Substances that are formed as a result of a chemical reaction.

Front

What is the difference between an ionic bond and a covalent bond?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.