Elements in the same group<span> in the </span>periodic table<span> have </span>similar<span> chemical properties. This is because their atoms have the </span>same<span> number of electrons in the highest occupied energy level. </span>Group<span> 1 </span>elements<span> are reactive metals called the alkali metals.</span>Group<span> 0 </span>elements<span> are unreactive non-metals called the noble gases.</span>
<span>d)Electrons need specific amounts of energy to "jump" off an atom and be emitted.</span>
The answer is A hope this help
H2O is the correct answer :)
Answer:
Decreased
Explanation:
You're faster when you go downhill than you are uphill.