Answer:
weigh it and divide the weight by the molecular weight. :) good luck!!
Explanation:
Count up the number of electrons in each orbital. theres ten electrons which means it has 10 protons. the element would be neon
Answer: b) Crash 2; the force on the cart was stronger in this crash, so the force on the skateboard was also stronger.
Explanation:
Answer:
The answer to your question is: letter A
Explanation:
A combination reaction is when there are two reactants that gives only one product.
a. 2SO2 + O2—> 2SO3 This is a combination reaction,
2 reactants gives one product.
b. Zn + Cu(NO3)2–>Zn(NO3)2 + Cu This is not a combination reaction,
it's a single replacement reaction.
c. 2H2O2–> 2H2O+O2 This is a decomposition reaction
d. AgNO3 + NaCl → AgCl+NaNO3 THis is a double replacement reaction.
Answer: C) An electron has a high probability of being in certain regions.
Explanation: How does the electron-cloud model describe electrons? An electron has a high probability of being in certain regions.
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