Chemistry Knowledge Check

Front

What is the strongest type of bond/intermolecular force?

Back

Hydrogen bonding is the strongest type of bond/intermolecular force.

Front

How many protons does Silver (Ag) have?

Back

Silver has 47 protons.

Front

Why does an increase in temperature usually increase the rate of a chemical reaction?

Back

An increase in temperature usually increases the rate of a chemical reaction because the number of effective collisions between reacting particles increases.

Front

How is copper (Cu) classified on the periodic table?

Back

Copper is classified as a transition metal.

Front

What element has the electron configuration 1s² 2s² 2p⁶ 3s² 3p⁴?

Back

The element with this electron configuration is Sulfur.

Front

Define covalent bonding.

Back

Covalent bonding is the type of chemical bond where two atoms share one or more pairs of electrons.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Front

What is the significance of the atomic number?

Back

The atomic number represents the number of protons in the nucleus of an atom and determines the element's identity.

Front

What are dipole-dipole forces?

Back

Dipole-dipole forces are intermolecular forces that occur between polar molecules, where positive and negative ends attract each other.

Front

What is activation energy?

Back

Activation energy is the minimum energy required for a chemical reaction to occur.