Chemistry Final Exam - S1

Front

What is the arrangement of the Modern Periodic Table of Elements based on?

Back

The Modern Periodic Table of Elements is arranged by atomic number.

Front

Which subatomic particle has a negative charge?

Back

The negatively charged subatomic particle is the Electron.

Front

What is the charge of an atom when it loses an electron?

Back

When an atom loses an electron, it becomes positively charged.

Front

How many protons are in a Helium atom?

Back

Helium has 2 protons.

Front

What is a grouping of elements based on similar properties in the periodic table called?

Back

This grouping is known as a family.

Front

What is the charge of a Proton?

Back

A Proton has a positive charge.

Front

What is the charge of a Neutron?

Back

A Neutron has no charge (neutral).

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is an Isotope?

Back

Isotopes are variants of a particular chemical element that have the same number of protons but different numbers of neutrons.

Front

What is the significance of Valence Electrons?

Back

Valence electrons determine how an atom can bond with other atoms.