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Vikentia [17]
2 years ago
5

How many lines does a starfish have in symmetry

Chemistry
1 answer:
Ahat [919]2 years ago
5 0
A starfish has five equal arms, so a starfish would have 5 lines of symmetry. Hope this helps!

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1Explain why the ions of sodium, magnesium and aluminium are smaller than their corresponding atoms.
ella [17]

Answer:

I think magniesum is combined with the sulfer which is why its at 3 omegas.

Hope this helps!

Explanation:

3 0
3 years ago
What mass of potassium chloride, KCl, is produced when 12.6 g of oxygen, 02, is produced?
blagie [28]

Mass of KCl= 19.57 g

<h3>Further explanation</h3>

Given

12.6 g of Oxygen

Required

mass of KCl

Solution

Reaction

2KClO3 ⇒ 2KCl + 3O2

mol O2 :

= mass : MW

= 12.6 : 32 g/mol

= 0.39375

From the equation, mol KCl :

= 2/3 x mol O2

= 2/3 x 0.39375

=0.2625

Mass KCl :

= mol x MW

= 0.2625 x 74,5513 g/mol

= 19.57 g

4 0
2 years ago
Is sodium oxide an acidic oxide or a basic oxide
valkas [14]

Answer:It a Basic oxide

Plz trust Me

Explanation:

5 0
2 years ago
Read 2 more answers
I need this answer. any thing will help
Licemer1 [7]

Answer: condensaytion

Explanation: its reverse vaporation instead of water turning into gas gas turns into water

8 0
3 years ago
How much time would it take for 9000 atoms of nobellium-253 (half-life is 97 s) to decay to 2250 atoms?
Svetradugi [14.3K]

Answer:it’s 828292atoms

Explanation

7 0
3 years ago
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