Atoms, Elements, Ions Chp 3/4 Review Chem 1010

Which is NOT a subatomic particle?

• Proton
• Neutron
• Isotope
• Electron

Tags

NGSS.HS-PS1-8

The atomic number is equal to the number of _____________ in an atom.

• Neutrons
• Protons
• Isotope
• Mass Number

How many valence electrons are in all alkaline earth metals?

• 2
• 3
• 4
• 1

Tags

NGSS.HS-PS1-1

An isotope is defined as having the same number of protons, but different number of ____________.

• Electrons
• Neutrons
• Protons
• Quarks

Atoms that have a filled outer main energy level are said to have?

• Octet
• Energy 
• Low mass
• Dot symbol

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Elements that are different chemical species, but have the same electron configuration are?

• Electrically neutral
• Ions
• Isoelectronic
• Isotopes

Which is the correct order of filling an electron configuration?

• 1s, 2s, 2p, 3p,4s, 4d, 5s
• 2s, 2p, 3s, 4s, 1s, 3p.3d
• 1s, 2s, 2p, 3s, 3p, 3d, 4s
• 1s, 2s, 2p, 3s, 3p, 4s, 3d

Tags

NGSS.HS-PS1-1

An element that has lost or gained electrons is called an?

• Isotope
• Ion
• Allotrope
• Octet

What is the correct electron configuration for nitrogen.

• 1s2, 2s3, 2p2
• 1s2, 2s1, 3s2, 2p7
• 1s2, 2s2, 2p3
• 1s2,2s2,3p3

Tags

NGSS.HS-PS1-1

Electrons that are located in the highest main energy level, that can be lost, gained or shared are called?

• Octet electrons
• Valence electrons
• Happy electrons
• Inner shell electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2