Elements, Compounds & Mixtures

Question 1

Physical properties of Metals

Answer 1

• Shiny (Lustrus)
• Solid at room temp (exp Mercury),
• Good conductors of heat & electricity
• Malleable
• Can be stretched into wires (ductile)

Question 2

Physical properties of non-metals

Answer 2

• Dull (not shiny)
• Don’t conduct heat or electrity
• Brittle
• Solids or gasses at room temp

Question 3

The ways elements can be arranged

Answer 3

1. As single elements
2. Mollecules (clusters)
3. Lattices

Question 4

Whats a mollecule?

Answer 4

A cluster of two or more atoms bonded together

Question 5

Whats a solution?

Answer 5

Mixture of solute and solvent

Question 6

What is a solute?

Answer 6

The object added in the solvent (ute is solid)

Question 7

What is a solvent

Answer 7

The liquid where the solute dissolves in (liquid goes through vents)

Question 8

What is a mixture?

Answer 8

Two or more pure substances mixted together, you cant write a chemical formula

Question 9

What is an element made from

Answer 9

One type of atom

Question 10

How to write chemical symbol

Answer 10

1. First letter uppercase
2. Second letter lowercase
3. The atomic number

Question 11

What is the atomic number

Answer 11

The number of protons in the nucleas. It determines the type of atom and what element it belongs to

Question 12

The atom arrangement of elements

Answer 12

They don’t bond with eachother or atoms from other elements

Question 13

The atom arrangement of compounds

Answer 13

Can be molecule or lattice