Structure of an ATOM 2.0

What number indicates the nucleus?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS1-2

Which statement best describes an electron?

• Smaller mass than a proton and a negative charge

• Smaller mass than a proton and a positive charge

• Greater mass than a proton and a negative charge

• Greater mass than a proton and a positive charge

Which two particles make up the nucleus of an atom?

• Protons and Electrons

• Protons and Neutrons

• Molecules and Compounds

• Neutrons and Electrons

Tags

NGSS.MS-PS1-1

In an atom, what is the number of protons equal to?

• The number of nuclei.

• The number of molecules.

• The number of neutrons.

• The number of electrons.

Tags

NGSS.MS-PS1-1

Most of the atom is filled with ____________.

• ELECTRONS

• EMPTY SPACE

• NUCLEUS

• PROTONS

Tags

NGSS.MS-PS1-1

An atom with atomic number 6 would have how many protons?

• 6

• 3

• 12

• cannot be determined

Tags

NGSS.MS-PS1-1

What is the Classification system for elements called as?

• Elemental system

• Periods

• The Periodic Table of Elements

• Families

Substances that have only one kind of atom are called:

• elements

• nitrogen

• electrons

• nucleus

The scientist who invented the classification system for the elements:

• Dimitri Mendeleev

• Niels Bohr

• Sir Isaac Newton

• Albert Einstein

What is the sum of an atom's protons and neutrons called?

• Atomic number

• Atomic mass

• Atomic theory

• ATOM