Basic Chemistry for Biology

Front

What type of bond is formed when electrons are transferred from one atom to another?

Back

Ionic bond

Front

What is the atomic number of an element?

Back

The atomic number of an element is the number of protons in its nucleus.

Front

True or False: Non-polar covalent bonds share electrons equally.

Back

True

Front

What are mixtures that are not the same throughout called?

Back

Heterogeneous mixtures

Front

Which substance is more acidic than lemon juice according to the pH range?

Back

Hydrochloric acid

Front

What type of bond involves the sharing of electron pairs between atoms?

Back

Covalent bond

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of an electron?

Back

Negative

Front

What is a solution?

Back

A homogeneous mixture where one substance is dissolved in another.

Front

What is the pH range of acidic substances?

Back

pH less than 7