Atomic Structure and isotopes

Front

What is the arrangement of elements in the modern periodic table based on?

Back

Atomic number.

Front

How do you calculate the atomic mass of an element?

Back

By adding the number of protons and neutrons.

Front

If an atom has an atomic number of 6, how many protons does it have?

Back

6 protons.

Front

Which two components of an atom contribute to its mass?

Back

Protons and neutrons.

Front

How many neutrons are present in the isotope Carbon-14 (C-14)?

Back

8 neutrons.

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is the significance of the atomic number in relation to an element?

Back

It determines the identity of the element and its position in the periodic table.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus.

Front

How do isotopes of an element differ from each other?

Back

They differ in the number of neutrons.

Front

What is the relationship between protons and the charge of an atom?

Back

Protons carry a positive charge, and their number determines the overall charge of the atom.