Atomic Structure and Bonding

A Sodium has ________ electrons in the outer shell

• 1

• 2

• 8

• 9

Tags

NGSS.HS-PS1-1

The mass number of an atom is made up from

• The number of protons plus electrons

• The number of protons plus neutrons

• The number of neutrons pus electrons

• The number that the element is on the periodic table

The basic electron configuration of Calcium (atomic number 20) is

• 2,10,8

• 2,4,6,8

• 2,8,8,2

• 2,8,10

Tags

NGSS.HS-PS1-1

The atomic number refers to the

• number of electrons

• number of protons

• number of electrons and protons

• number of protons and neutrons

When hydrogen is bonded to a NOF the type intermolecular force with the greatest attraction is

• Dispersion forces

• Dipole-Dipole interactions

• Hydrogen bonding

• Isotope

The maximum number of electrons in the second shell is

• 2

• 4

• 8

• 12

Which atom has the following electron configuration? 1s², 2s², 2p⁶, 3s²

• Magnesium

• Sodium

• Oxygen

• Neon

Tags

NGSS.HS-PS1-1

The electron configuration of Neon is

• 1s², 2s², 2p¹⁰

• 1s², 2s², 2p⁵

• 1s², 2s², 2p⁶, 3s²

• 1s², 2s², 2p⁶

Tags

NGSS.HS-PS1-1

Which of the following is a property of an ionic compound?

• Brittle

• Gas at room temperature

• Lustrous

• Ductile

Tags

NGSS.HS-PS1-3

'Positive cations in a sea of electrons'

is a phrase used to describe which type of bonding?

• Hydrogen

• Covalent

• Ionic

• Metallic