Atoms & Elements

The positive particles of an atom are ___________.

• electrons

• protons

• neutrons

Tags

NGSS.MS-PS1-1

The center of an atom where its neutrons and protons are is called the _____________.

• nucleus

• electron cloud

• center

Tags

NGSS.MS-PS1-1

An atom is made up of protons, neutrons, and electrons.  Which is the smallest subatomic particle?

• Proton
• Neutron
• Electron
• Idontknowatron

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

Which is an electron?

• A
• B
• C

Tags

NGSS.MS-PS1-1

The smallest part of any element. Made up of protons, neutrons and electrons.

• Atom

• AMU

• Ion

• Isotope

Tags

NGSS.MS-PS1-1

Identifies the number of protons in an atoms nucleus.

• Electron Cloud

• Atomic Theory

• Atomic Number

• Mass Number

The region inside an atom where electrons are likely to be found

• Proton

• Atom

• Electron Cloud

• Neutron

Tags

NGSS.MS-PS1-1

The total number of protons and neutrons in the nucleus of an atom

• Atomic Number

• Mass Number

• Atomic Theory

• Electron Cloud

The particles in the nucleus of an atom that do not have a charge (neutral)

• Proton

• Electron

• Neutron

• Ion

Tags

NGSS.MS-PS1-1