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zhenek [66]
3 years ago
15

What are elements represented by ?

Chemistry
1 answer:
makvit [3.9K]3 years ago
4 0

A Chemical Symbol

need 20 characters

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dexar [7]

A, B, and D. You already answered the first one, so I wouldn't think this would be too hard

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25. Define cellular respiration.
choli [55]

Answer:a series of an chemical reaction

Explanation:

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Which of the following pairs of elements is most likely to form an ionic compound?
Scrat [10]

Explanation:

magnesium and sodium because they are minerals and part of iron

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3 years ago
What the correct answer?
alexandr402 [8]

B. Bleach and sea water should be identified as bases

Explanation:

  • The pH scale measures the acidic or basic nature of a substance.
  • Ranges from 0 to 14.
  • If pH is lower than 7 → the solution is an acid.
  • If pH is more than 7 → the solution is an basic or alkaline.
  • If a pH is a 7 it is neutral.

In the given question, the pH scale measures for bleach is 8 and for sea water it is 13. So, bleach is basic, not neutral and Sea water is basic too instead of acid. So, Bleach and sea water should be identified as bases.

3 0
3 years ago
Which fire symbol signifies ammunition with a mass explosion?
marissa [1.9K]

The answer is Fire symbol 1  

That is Fire symbol 1, signifies ammunition with a mass explosion.

The symbol can be seen in the image attached.

This symbol includes these :

1. Do not use fire fighting unless rescue attempt is planned.

2. If person's safety is in danger, use cover.

This fire symbol 1 signifies ammunition with a mass explosion.


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