Atomic Structure and Bonding II

A combination of 2 or more elements in fixed proportions is ...

• a compound

• a molecule

• an atom

• an element

Tags

NGSS.MS-PS1-1

Elements are rarely found in their pure state because ....

• they are stable

• they aren't neutral

• they are unstable

• they are neutral

Atoms can become stable if ....

• they bond with an atom with the opposite charge

• they have 2 valence e- or any number of valence electrons that is a multiple of 2

• there outer energy level is full or has 8 valence e-

• all of the above

Tags

NGSS.HS-PS1-1

A force of attraction between atoms or ions is

• a molecule

• a compound

• a covalent bond

• a chemical bond

Tags

NGSS.HS-PS1-3

The subatomic particles involved in bonding are ....

• protons & neutrons

• protons

• electrons

• valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

During an ionic bond ....

• electrons are shared by atoms

• electrons are given and taken by different atoms

• protons are given and taken

• protons are shared

In a covalent bond ....

• electrons are shared

• electrons are given and taken

• protons are shared

• protons are given and taken

An atom will have a 2+ charge if ....

• it gains 2 protons

• it loses 2 protons

• it gains 2 electrons

• it loses 2 electrons

Tags

NGSS.HS-PS1-2

The strongest type of bond is ....

• ionic

• covalent

• hydrogen

• metallic

Tags

NGSS.HS-PS1-1

A force of attraction between atoms when they exchange electrons is ....

• a metallic bond

• a hydrogen bond

• an ionic bond

• a covalent bond

Tags

NGSS.HS-PS1-3