Periodic Table, Atoms, Compounds

What do we call rows on the periodic table?

<----------->

• Periods

• Groups

What do we call columns on the periodic table?

(Up and down)

• Periods

• Groups

Which type of element is dull and brittle or a gas?

• Metals

• Metalloids

• Non-Metals

Which type of element is often shiny and hard?

• Metals

• Non-Metals

• Metalloids

Which type of element can exhibit all kinds of properties, shiny, dull, malleable, brittle?

• Metal

• Non-Metal

• Metalloids

If an element has 16 protons, how many electrons does it have?

• 16

• 8

• 32

• 47

Which of the following best describes the atomic number?

• The number of protons in the element.

• The number of neutrons in the element

• The weight of the element

• The sum of the protons and neutrons

Which best describes a compound?

• Two or more elements chemically bound together

• The smallest unit of all matter

• The sum of the protons and the neutrons

• Positively charged ions

Tags

NGSS.MS-PS1-1

Elements in the same group have______

Groups are up and down.

• Similar energy level

• Similar properties

• Similar smells

• Similar masses

Elements in the same period have ______

• Similar properties

• Similar protons

• Similar energy levels

• Similar smells