Basic Chemistry

What bond involves the sharing of electrons?

• Ionic

• Transitive

• Covalent

What are valence electrons?

• sum of the protons and neutrons

• protons minus electrons

• electrons in the inner shells

• electrons in the outer shell

What is Atomic Mass Number ?

• Number of Protons

• Number of Neutrons

• Number of Protons and Neutrons

• Number of Protons and Electrons

What subatomic particle is electrically neutral (no charge)?

• Proton

• Ion

• Neutron

• Electron

Electrons have this type of charge?

• negative

• positive

• neutral

Tags

NGSS.MS-PS2-3

An elements is

• a substance that cannot be split into simpler substances

• a substance that can be split into simpler substances

A molecule is

• a singular particle of a particular element

• another name for an element

• 2 or more atoms that are combined

Tags

NGSS.MS-PS1-1

A pure substance that is a compound is made out of

• particles of more than one type of atom

• particles of the same type of atom

• a mixture of two or more substances that can be physically separated

Tags

NGSS.MS-PS1-1

What do we call a covalent bond where electrons are shared UNEVENLY or UNEQUALLY?

• Ionic

• Polar Covalent

• Nonpolar Covalent

• Van der Waals Force

An (a)   is a type of substance with certain characteristics. A ​ (b)   is made of multiple ​ (c)   that share a ​ (d)   .

• element

• molecule

• atoms

• bond

Tags

NGSS.MS-PS1-1