Periodic Table of Elements Brainpop

What characteristics are shared by all alkali metals and alkaline earth metals?

• They conduct electricity very well

• They are strong and shiny

• They form alkaline solutions when mixed with water

• They do not react with water at all

Carbon has an atomic number of 6. What can you conclude about Carbon from this fact?

• It has six protons

• It has six neutrons

• It's in group 6

• It's in period 6

Noble gases are sometimes called "inert gases". What can you infer about the meaning of the word "inert" in chemistry?

• It refers to substances that easily lose electrons

• It refers to substances that do not react with other substances

• It refers to substances that have strong electrochemical charges

• It refers to gases

What do the orange and yellow spheres represent in this model of an atomic nucleus?

• Gluons and leptons

• Protons and neutrons

• Positrons and electrons

• Atoms and molecules

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NGSS.HS-PS1-8

What do the elements highlighted in red have in common?

• The same number of protons

• The same number of neutrons

• They are in the same group

• They are in period 2

Which of the following is a true statement?

• Periods form horizontal rows; groups form vertical columns

• Groups form horizontal rows; periods form vertical columns

• Categories form horizontal rows; gases form vertical columns

• Gases form horizontal rows; categories form vertical columns

What is true of all atoms?

• They are electrically charged

• They contain more than one electron shell

• They have full outer electron shells

• They contain at least one proton

What is one key physical difference between transition metals and poor metals?

• Atomic mass

• Hardness

• Reactivity

• Charge

If you wanted to find a sample of Fermium, which has an atomic number of 100, where could you look?

• Deep within the Earth

• In the Earth's atomosphere

• In outer space

• In a science lab

To become positively charged, an atom must:

• Gain a proton

• Lose a proton

• Gain an electron

• Lose an electron