Atomic Structure & Periodic Table #1

Front

What are isotopes?

Back

Isotopes are two or more atoms of the same element that have the same number of protons but different mass numbers due to a different number of neutrons.

Front

What is the charge of an electron?

Back

The charge of an electron is negative.

Front

What is the element symbol for boron?

Back

The element symbol for boron is B.

Front

How many protons does titanium have?

Back

Titanium has 22 protons.

Front

How many protons are in beryllium?

Back

Beryllium has 4 protons.

Front

What is the atomic number of an element?

Back

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

Front

What is the mass number of an atom?

Back

The mass number of an atom is the total number of protons and neutrons in its nucleus.

Front

What is the difference between an atom and an ion?

Back

An atom is a neutral particle with equal numbers of protons and electrons, while an ion is a charged particle that has either lost or gained electrons.

Front

What are the three main subatomic particles?

Back

The three main subatomic particles are protons (positive charge), neutrons (no charge), and electrons (negative charge).

Front

What is the periodic table?

Back

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