Atoms and Elements

What is the smallest part of matter that still has properties of that matter?

Atom

What is the particle located inside the nucleus with a positive charge?

Proton

What is the particle inside the nucleus with no charge?

Neutron

What is the particle outside the nucleus with a negative charge?

Electron

What is the charge of the nucleus?

Positive

What is the overall net charge of an atom?

Neutral

Out of the three atomic particles, which one is so small it is considered to have no mass

Electron

This number represents the number of protons

Atomic number

What number tells the total number of protons and neutrons in an atoms nucleus

Atomic mass number

How many protons, neutrons and electrons are in one atom of copper

29p 29e 35n

Elements in the same (blank) have similar properties

Group

Elements are arranged in the periodic table by increasing what number

Atomic number

Which group of elements are the most unreactive of all element

Noble gases

Which group of elements are the most reactive metals?

Alkali metals

Which group of elements are the most Reactive nonmetals

Halogens

Potassium (K)

Atomic number-19 —19p 19e

Atomic mass- 39–20n 1ve

Sulfur (S)

Atomic number- 16–16p 16e

Atomic mass- 32–16n. 6ve

Calcium (ca)

Atomic number- 20–20p 20e

Atomic mass- 40–20n. 2ve

Order matter

Compound-molecules-elements-atom-nucleus-proton-electron