<span>https://quizlet.com/21774816/94-and-95-science-flash-cards
i think uu can find it here lol hope it helps
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count the elements in eqn MgI2 + Br2 -> MgBr2 + I2
1 Mg, 2I, 2Br on the left n
1 Mg, 2I, 2Br on the right
they are equal so the eqn is balanced
Answer:
if you add or subtract a neutron from an atom it will become a new isotopes of the same element
Because the gravity levels decrese and so does the oxygen levels
Answer:
millions
Explanation:
the 1 is seven decimbal places to the left (seven places left of zero), which is the millions place
