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atomic structure and atomic theory
periodic table and trends
chemistry bonding, structures, and names
stoichiometry
chemical reactions
100
carries a positive charge
What is protons
100
what group are the alkali metals in?
What is group 1
100
how many unpaired electrons are there in nitrogen sub levels?
What is 3
100
how many moles of Al are in 2.16 moles of Al(2)O(3)
What is 4.32
100
what is a chemical change?
What is a permanent change in which identity of substance is altered to produce one or more new substances
200
carries no charge
What is neutrons
200
what is the only non-metal on the left side of the periodic table?
What is hydrogen
200
a decrease in atomic size and an increase in nuclear charge across a period lead to?
What is an increase in chemical reactivity
200
what is the mass of 1 mole of sodium?
What is 23 g
200
what change is tearing a piece of paper an example of?
What is physical
300
carries a negative charge
What is electrons
300
what group do the halogens belong in?
What is group 17
300
what is the formula for oxide?
What is O(-2)
300
what is the mass of 1 mole of sulfur?
What is 32.1 g
300
what change is clotting blood an example of?
What is chemical
400
kind of charge the nucleus has
What is positive
400
what is the only S-block on the right side of the periodic table?
What is helium
400
what is the ionic formula for sodium ion?
What is Na(+1)
400
what is the mass of 1 mole of chlorine?
What is 35.3 g
400
what kind of reaction is (2)KBr+Cl(2)--->(2)KCl+Br(2)
What is single displacement
500
what are different forms of the same elements called?
What is isotopes
500
what are the least electronegative elements?
What is alkali metals
500
what bond type would 0-.4 be?
What is non polar
500
calculate the number of moles for 21.5 g of CaCO(3)
What is .215 m
500
what kind of reaction is (2)H(2)O--->(2)H(2)+O(2)
What is decomposition