Flashcardizz 16

Front

What are the number of periods and groups in the periodic table?

Back

There are 7 periods and 18 groups in the periodic table.

Front

Which element is found in group 1, period 1 of the periodic table?

Back

Hydrogen is the element in group 1, period 1.

Front

What are the particles in an atom that have no charge?

Back

The particles with no charge in an atom are neutrons.

Front

What is the electrical charge of an electron?

Back

The electrical charge of an electron is negative (-).

Front

What does p+ represent in atomic notation?

Back

p+ represents a proton.

Front

What is the atomic number of Hydrogen?

Back

The atomic number of Hydrogen is 1.

Front

What is the mass number of an atom?

Back

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

Front

What is the charge of a proton?

Back

The charge of a proton is positive (+).

Front

What is the difference between an atom and an ion?

Back

An atom is neutral, while an ion has a net charge due to the loss or gain of electrons.

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus of an atom.