Periodic Table and Elements review

Substance that can't be broken down by chemical means & has unique set of properties

• Element

• Compound

• Mixture

• Solution

Atomic number directly indicates the number of ___________

• protons

• neutrons

• electrons

• electron shells

Atomic mass is the sum of protons and ______ found in the ________ of an atom.

• electrons ; nucleus

• neutrons ; electron cloud

• neutrons ; nucleus

• electrons ; electron cloud

Charge of the nucleus?

• Neutral

• Positive

• Negative

• Depends on the atom

When neutral, an atom will have equal numbers of _______ and _____ .

• protons and electrons

• neutrons and electrons

• protons and neutrons

• neutrons and protons

Group 18 is called ______________. This is the _________ reactive group on periodic table

• Noble gases ; least

• Halogens ; least

• Noble Gases ; most

• Halogens ; most

Representative elements are found in what blocks? [Select all that apply]

• d

• s

• f

• p

Charge of the entire atom?

• Neutral

• Positive

• Negative

• Depends on the atom

Which of these groups is in the SMALLEST number on the periodic table?

• metals

• metalloids

• non-metals

• Cannot be determined

Element with the largest atomic radius / size ?

• F

• Fe

• Fr

• Fl