3/20 covalent compounds & diatomic molecules

Bonds between atoms in a molecule form as a result of the sharing  of?

• formulas
• electrons
• atoms
• chemicals

Tags

NGSS.MS-PS1-1

H₂O₂← ?
This number tells the number of atoms present.

• coefficient
• molecule
• subscript
• atom

Tags

NGSS.MS-PS1-1

Which is an example of a diatomic atom?

• NaCl
• H20
• O2
• CO

The Atomic Number is the same as the number of:

• protons
• electrons
• protons and neutrons
• electron shells

A subatomic particle that orbits an atom's nucleus, has a negative charge, and has very little mass

• Proton
• Neutron
• Electron
• Isotope

How do covalent bonds form?

• Donating & receiving valence e- between atoms.

• Opposite slight charges attract each other between compounds.

• Scientists are still not sure how they form.

• Sharing valence electrons between atoms.

How are covalent bonds formed?

• Sharing of electrons
• Transfer of electrons

What is a valence electron?

• The sum of neutrons and protons.
• The # of electrons in the last shell.
• A type of bond.
• A popular compound.

Tags

NGSS.MS-PS1-1

How many valence electrons does hydrogen have?

• 4

• 3

• 2

• 1

How many valence electrons does oxygen have?

• 2

• 3

• 6

• 4