Brainpop Periodic Table

What statement is true about the eight elements on the periodic table termed metalloids?

• They are the only man-made elements.

• They all have the same number of protons and neutrons.

• They are the only naturally occurring elements.

• They have properties of both metals and nonmetals.

On the periodic table, atomic mass

• increases up a group.

• decreases down a group.

• decreases across a period from left to right.

• increases across a period from left to right.

Elements in the same _______________ have the most in common.

• column

• row

__________ make up the least amount of elements on the periodic table.

• metals.

• metalloids.

• non-metals.

Select four of the following that have properties similar to Helium. Pick all that apply.

• argon

• xenon

• radon

• krypton

• fluorine

When sodium is mixed with water, an explosion takes place. Based on its location on the periodic table, how will Rubidium behave with water?

• Rubidium, which shares similar properties with sodium, will explode in water.

• Rubidium, which shares similar properties with sodium, will not explode in water.

• Rubidium, which does not share similar properties with sodium, will explode in water.

• Rubidium, which does not share similar properties with sodium, will not explode in water.

Tags

NGSS.MS-PS1-2

Silver (Ag) and mercury (Hg) have which characteristic in common?

• They are both in the same period.

• They are both in the same group.

• They are both metals at room temperature.

How many elements are on the periodic table?

• 56

• 93

• 118

• 154

The illustration below, taken from the periodic table, provides information about the element calcium (Ca).

Where would the element with atomic number 19 be placed on the periodic tabl21

• above calcium

• below calcium

• to the left of calcium

• to the right of calcium

Select all of the elements that MOST LIKELY share properties with oxygen. Pick up to 5 answers.

• polonium

• fluroine

• selenium

• sulfur

• tin