Bca 6th grade Science elements, mixtures, compounds

When atoms of the same type are grouped together we call them ______________.

• compounds

• elements

• mixtures

• sustances

Elements consist of ____ type of atom.

• 2

• 3

• 4

• 1

When a molecule has only one type of atom we call it an ____________.

• element

• substance

• compound

• mixture

H4 is an element because it has ____ atoms of hydrogen combined to form 1 molecule of hydrogen.

• 4

• 3

• 2

• 1

When a molecule has 2 or more different types of atoms we call it a ________________.

• compound

• molecule

• element

• mixture

In a compound, the particles are held together by a ___________.

• magnetic pull

• chemical bond

• gravity

• glue

Compounds are difficult to _________________ and the ______________ are very different from the original elements

• eat

  taste

• separate

  properties

• mix

  results

In compounds one or elements has been chemically combined to form a new substance

• true

• false

2 or more elements have to be present to form a compound

• true

• false

A mixture is a way to group elements and contains different types of ______________.

• atoms

• molecules

• electrons

• protons