Chapter 2.1: Element

Question 1

Chemical properties

Answer 1

Characteristics that describe a substances ability to react chemically with other substances to form new products.

Question 2

Metals

Answer 2

Elements that are typically hard, shiny,malleable or ductile and that are good conductors of heat and electricity.

Question 3

Non-metals

Answer 3

Elements that are typically not shiny, malleable or ductile and that are poor conductors of heat and electricity. Non metals are usually gases or brittle solids at room temp.

Question 4

Periodic Table

Answer 4

The periodic table is a chart that organizes the elements according to their physical and chemical properties. The periodic table states each elements name, symbol, atomic number, atomic mas and ion charges.

Question 5

Atomic number

Answer 5

The atomic number is the number of protons and electrons in an atom

Question 6

Atomic mass

Answer 6

The atomic mass is the mass of the atom of the element. It is alway’s written as a decimal, and is measured in the atomic mass unit (amu)

Question 7

What are some patterns in the periodic table

Answer 7

The atomic numbers increase one by one Bv.nb.