The periodic table is arranged horizontally by what?
Elements in the same group have similar
how can you tell if 2 elements are chemically similar?
The law of conservation of mass states
During the law of conservation of mass
This type of matter is made from the same type of atoms and cannot be broken down
When 2 elements combine chemically this is formed
carbon, dioxide, Water, sugar and salt are all
oxygen, nitrogen and silver are all
Which of these are not a type of pure substance
An element is malleable, shiny and a good conductor of electricity. Which one is it most likely to be?
Which group is the most reactive metals?
Which group is the most reactive nonmetals
Which are the least reactive elements
What is the best way to remove salt from a mixture of salt water in a chemistry lab?
which of these is not a nonrenewable energy (Fossil fuel)
What are benefits of fossil fuels
Which of these is not a negative of wind turbines is that
What gas is released from burning fossil fuels that leads to global warming?
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