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Front

What are valence electrons?

Back

Valence electrons are the outermost electrons in an atom that are involved in chemical bonding.

Front

What is the mass of a proton?

Back

The mass of a proton is approximately 1 atomic mass unit (amu).

Front

What type of reaction is represented by the equation 2 BrCl → Br2 + Cl2?

Back

This is a decomposition reaction, where a compound breaks down into simpler products.

Front

What is the chemical symbol for Zinc?

Back

The chemical symbol for Zinc is Zn.

Front

What type of reaction is represented by the equation HI + CsOH → CsI + H2O?

Back

This is a double replacement reaction, also known as a neutralization reaction.

Front

Define a chemical reaction.

Back

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

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a reactant in a chemical reaction?

Back

A reactant is a substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.