periodic table
properties of matter
nomenclature
atomic structure
100

Which element is a "One-of-a-kind"?

Hydrogen

100

What are 2 examples of physical properties?

Color, Texture

100

name CaCL2

Calcium chloride

100

Define positive ion

An electronically charged atom

200

What are the vertical columns called?

Groups

200

Evidence of a chemical change

Light, Heat, and smoke

200

name K2O

potassium oxide

200

How many protons does aluminum have?

13 Protons

300

When Mendeleev created the first periodic table the elements were put in a specific order based on what?

Increasing Atomic Mass

300

What is Pure substance?

Contains only one type of matter

300

name MgO

magnesium oxide

300

The atomic number is equal to the number of

Protons in the nucleus

400

What METAL family is the most reactive?

Alkali Metals

400

Name one physical property that can be measured

Mass

400

name BeBr2

beryllium bromide

400

How do you find the mass number of an element?

Add the number of proton and neutrons

500

The elements found in group 3-12 that form or make compounds with distinctive colors, are called the

Transition Metals

500

The 2 most important properties of matter are

Taking up space and having mass

500

name Ca3N2

calcium nitride

500

Which atomic particle travels on the energy levels?

the electron

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