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Name 3 parts of an atom
proton, neutron, electron
What do atomic number tell you?
number of protons
What do atomic mass tell you?
number of protons and neutrons
What is the name for a column in a periodic table?
Group
What do elements in the same group have in common?
The number of electrons in the outermost shell
What is another name for group 1 metals?
Alkali metals
Alkali metals have high boiling point. True or False?
False. Alkali metals have low boiling point
The reactivity in Group 1 increases as atomic number increases. True or False?
The elements in Group 1 react more vigorously with water as you go down the group.
What is the reactivity trend in Group 7 elements?
Decreases as atomic number increases
The boiling points and melting points increase as you go down group 7. True or False?
True
Why do group 8 elements unreactive?
The outer shell of these elements are full.
The ionic bond forms between positive ion and negative ion due to .............................................................
The ionic bond forms between positive ion and negative ion due to electrostatic force
Melting point and boiling point in group 8 ........................................
increase
