CB Chemistry in Biology

Front

How many covalent bonds does hydrogen make?

Back

1

Front

What is the atomic mass of Fluorine (F)?

Back

19

Front

How many shells/levels does an atom with atomic number 15 have?

Back

3

Front

How many protons does Iodine-131 have?

Back

53

Front

Where are electrons found in atoms?

Back

In the Shell/Level around the Nucleus

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is a covalent bond?

Back

A chemical bond formed by the sharing of electrons between atoms.

Front

What is the difference between atomic mass and atomic number?

Back

Atomic mass is the weighted average mass of an element's isotopes, while atomic number is the number of protons in the nucleus.

Front

What is the role of electrons in chemical bonding?

Back

Electrons are involved in forming bonds between atoms, either by sharing (covalent bonds) or transferring (ionic bonds).

Front

What is an ion?

Back

An atom or molecule that has gained or lost one or more electrons, resulting in a net charge.