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BARSIC [14]
3 years ago
6

In which pair do the particles have approximately the same mass?

Chemistry
1 answer:
vlada-n [284]3 years ago
7 0
The answer is (2). Both the proton and the neutron have masses around 1amu.
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Is calcium a metal, nonmetal, or metalloid?
Vilka [71]

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Calcium is a metal.

Explanation:

It is considered a metal because it is most likely to give away it's two valence electrons to reach Argon. All the elements in gray are metals.

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Teeth and long bones are good indicators of age in children; ribs and joints are better for adults.
attashe74 [19]

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True

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2 years ago
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How many moles of carbon are in 3.7 moles of c8h11no2
sleet_krkn [62]

Answer:- 29.6 moles of carbon.

Solution:- We have been given with 3.7 moles of C_8H_11NO_2 and asked to calculate the moles of C.

Looking at the formula of the compound, there are 8 carbons in it means 1 mol of he compound has 8 moles of C. So, if we multiply the given moles of the compound by 8 then we get the moles of C.

3.7molC_8H_11NO_2(\frac{8molC}{1molC_8H_11NO_2})

= 29.6 mol C

Hence. there are 29.6 moles of C in 3.7 moles of  C_8H_11NO_2  .

8 0
3 years ago
Which of the four models represents a solid
ICE Princess25 [194]

Answer:

is there an image

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6 0
2 years ago
Please HELP, ASAP! Homework due tomorrow and I need some help.
sweet-ann [11.9K]
Ions are atoms with a charge other than zero. In a neutral atom, the number of protons (positively charged particles) in the nucleus equals the number of electrons orbiting the nucleus.
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3 years ago
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