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Which are the least reactive elements
copper
biomass
noble gasses- group 18
chemical properties/reactivity
evaporate the water
left to right by increasing atomic number
mixtures
compound
An element is malleable, shiny and a good conductor of electricity. Which one is it most likely to be?
copper
biomass
noble gasses- group 18
chemical properties/reactivity
evaporate the water
left to right by increasing atomic number
mixtures
compound
What is the best way to remove salt from a mixture of salt water in a chemistry lab?
copper
biomass
noble gasses- group 18
chemical properties/reactivity
evaporate the water
left to right by increasing atomic number
mixtures
compound
The periodic table is arranged horizontally by what?
copper
biomass
noble gasses- group 18
chemical properties/reactivity
evaporate the water
left to right by increasing atomic number
mixtures
compound
Which of these are not a type of pure substance
copper
biomass
noble gasses- group 18
chemical properties/reactivity
evaporate the water
left to right by increasing atomic number
mixtures
compound
Elements in the same group have similar
copper
biomass
noble gasses- group 18
chemical properties/reactivity
evaporate the water
left to right by increasing atomic number
mixtures
compound
which of these is not a nonrenewable energy (Fossil fuel)
copper
biomass
noble gasses- group 18
chemical properties/reactivity
evaporate the water
left to right by increasing atomic number
mixtures
compound
When 2 elements combine chemically this is formed
copper
biomass
noble gasses- group 18
chemical properties/reactivity
evaporate the water
left to right by increasing atomic number
mixtures
compound
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