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navik [9.2K]
4 years ago
7

How many nitrogen atoms are represented in 2Ca(NO3)2?

Chemistry
1 answer:
arsen [322]4 years ago
4 0

Explanation:

there is 2 nitrogen but if you mean nitrate is 6

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The amount of force needed to keep a 10 kg box moving at a constant
boyakko [2]

Answer:

ON

Explanation:

Frictional force is a force that opposes the motion of body. It is because of friction that motion can be controlled and even walking is made possible.

Now, on a frictionless surface, there is no opposition to motion. Therefore, to keep the body moving there is no force required.

  • If surface lacks friction, motion will continue perpetually without any hinderance.
5 0
4 years ago
Predict the formula for a compound made from X3 and Y2–.
WINSTONCH [101]
The compound formed will be X2Y3 with oxidation number of X = +3 and of Y = -2.

Example of X2Y3 type compounds are Fe2O3 and Mn2O3.

Hope this helps!!
3 0
3 years ago
When metal atoms combine chemically with atoms of other elements, what do they usually do?
Fiesta28 [93]

Answer:

Maybe I know too much chemistry but how the metals (and the non-metals) react depends on where they are in the Periodic Table. The metals in groups I and II over on the far left side are explosively reactive and loose electrons and form ionic bonds. Examples: Na+1 has lost 1 electron and Li+2 has lost 2 electrons. The metals in the higher groups are more confusing but most of them share outer shell electrons and form covalent bonds. Examples: Fe2O3 (rust) where Iron shares 2X3 electrons with Oxygen which shares 3X2 electrons. Confused enough? :-)

The answer you'll be expected to give depends on the subject of the chapter you're studying. If you're studying covalent bonds, then the answer will probably be "form covalent bonds". If you're studying ionic bonds, then the answer will be "lose electrons".

Explanation:

This may not be the answer... I'm sorry if it's not

8 0
3 years ago
Question 2
valkas [14]
Maybe propelled like moving forward
6 0
4 years ago
What are the 6 steps to solving a mass-mass problem
aev [14]

Answer:

  • Write a balanced equation for the reaction.
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  • Convert moles of product to grams of product.
  • Pick up the calculator and do the math.

Explanation:

Can I get Brainiest.

4 0
4 years ago
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