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Serggg [28]
3 years ago
11

Why is the symbol for a piece of aluminum foil written as AI, when it actually contains billions of aluminum atoms?

Chemistry
1 answer:
lisov135 [29]3 years ago
6 0

Answer:

Read Explanation

Explanation:

Aluminum foil does contain billions of atoms, but we write them just as Al because aluminum does not exist in single atom forms in normal circumstances but as billions in metallic bonds.

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What happens immedialety happens before a volcano erupts?
Fed [463]
The correct answer is C) Expanding gases push magma through the pipe. The mantle is already made of magma, the magma cools when the volcano has already erupted, and the temperature does not decrease in the chamber.
7 0
3 years ago
Which metalloid has three valence electrons? boron arsenic silicon lithium<br><br><br> HElp PLEase
Sever21 [200]

Answer:

Boron

Explanation:

First, locate the metalloids on the periodic table. (First picture) The metalloids are in the yellow section. Next, remember that the group your element is in determines its valence electrons. For example, group 17/7A has 7 valence electrons. Look at the group numbers above each column on the periodic table to find out which metalloid is the answer. In this case, we need to look at 13/3A since we know that this metalloid has three valence electrons. Not all  periodic tables will be labeled with the 3A part, so remember that groups 13 and over have the amount of valence electrons after you take out the one in front. For example, group 16 has 6 valence electrons because I removed the one in front of it. Now your options should be limited down to boron because we know that it is in the yellow section in group 13.

3 0
3 years ago
Read 2 more answers
when heating copper in the final step, the bright copper color changes to a dull brown. will the percent recovery be too high or
jasenka [17]
<span>When heating copper in the final step, the bright copper color changes to a dull brown. I think this process will make the percent recovery low because a change in color can mean some reacted. Hope this answers the question. Have a nice day.</span>
5 0
3 years ago
Explain why in this crossing all of the hedgehog offspring are brown even though they all carry the white gene?
Lina20 [59]
Because The white gene is the recessive gene and the brown gene is the dominant gene hence all the offspring being brown instead of white :)
4 0
3 years ago
Read 2 more answers
PLEASE HELP AND DONT YOU DARE GIVE ME THE LINK
IgorLugansk [536]

Answer:

animals and other living things

Explanation:

All living organisms have been classified and grouped into a hierarchical system of classification. Kingdom is the highest level in this system comprising of 6 other levels. However, there are different kingdoms that harbors different organisms. The kingdoms are: animalia, plantae, protista, monera, fungi etc.

However, among other kingdom of organisms, organisms in the Kingdom Animalia are the only ones that possesses muscle tissues etc. This shows a contrast between animals and other living things.

3 0
3 years ago
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