Atoms, elements and the periodic table

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

A neutron has a charge of

• +2
• No charge
• -1
• +1

The atomic number of Beryllium is ___ the number of protons in Beryllium is _____?

• 4 and 4

• 9.012182 and 4

• 4 and 9.012182

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NGSS.MS-PS1-1

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

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Which of the following subatomic particles is negatively charged and found orbiting around the nucleus

• neutron

• proton

• electron

• megatron

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Which particle does not have a charge?

• neutron

• proton

• electron

• megatron

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___________________ are positively charged particles located in the nucleus of an atom.

• Electrons

• Neutrons

• Protons

• Isotopes

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A row of elements in the Periodic Table whose properties change gradually and predictably:

• Periods

• Groups/Families

• Cousins

• Metals

Columns in the Periodic Table are called

• Periods - because they are very similar

• Groups/Families because they share similar chemical properties

• Cousins because they share similar chemical properties

• Metals because they are magnetic

Atomic particles that are located in the nucleus

• neutrons and electrons

• neutrons and protons

• protons and electrons

• protons and electrons and electrons

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