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5 questions
All atoms are composed of small particles that have known charges
false
true
How many neutrons are located in the nucleus of the element Praseodymium?
59
210
141
82
What are elements of the same element but have a different number of neutrons?
ions
atomic number
isotopes
atomic mass
Look at the picture above. These are all examples of
families
quarks
metalloids
types of matter
What are the regions of the Periodic Table?
air, water, earth
metals, nonmetals, metalloids
protons, neutrons, electrons
solid, liquid, gas
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