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Nataliya [291]
3 years ago
10

Please help out I am having trouble answering this ?

Chemistry
1 answer:
padilas [110]3 years ago
4 0

Answer:

proton and neutron i think

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NEED HELP ASAP PLEASE
Lostsunrise [7]

Answer:

here hope it helps

Explanation:

covalent bonds

5 0
3 years ago
Read 2 more answers
a block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. it has a mass of 213 g. what is its density? a. 638 g/cm3 b.
Juliette [100K]
Volume = 3 cm × 3cm × 3cm
             =  27 cm ³

Mass  =  213 g

Density  =  \frac{MASS}{VOLUME}
 
              = <span>\frac{213 g}{27 cm ^{3} }
</span> 
<span>              =  7.89 g / cm³

Thus answer is D.</span>
8 0
3 years ago
Read 2 more answers
Compare photons of gamma and radio radiation. which has: the longer wavelength? the greater frequency? the greater energy?
Nataly [62]
<span>Gamma radiation has a shorter wavelength, a higher frequency and higher energy than radio radiation. Wavelength is inverse to frequency and energy (i.e. higher wavelength means lower frequency and lower energy, and vice versa).</span>
6 0
4 years ago
How many grams of water are produced from 100 grams of oxygen?
Allisa [31]

Answer:

28,125 g

Explanation:

m(O₂) = 100 g

n(O₂) =M(O₂)/m(O₂)=32 gram per mole / 100 g = 0,32 mole

O₂ + 2H₂ ⇒ 2H₂O  ,  n(H₂O) = 2 × n(O₂)

m(H₂O) = M(H₂O)/2 × n(O₂) = 18 grams per mole / 2 × 0,32 mole = 28,125 g

6 0
3 years ago
What is the proper structure for 3-methylpentane? draw the molecule on the canvas by choosing buttons from the tools (for bonds)
Sergio039 [100]
Below is the structure of 3-Methylpentane. The word pentane in name specifies the parent chain which ends on -ane (alkane) and pent- shows number of carbon atoms is parent chain (pent=5). The position of substituent is specified at the start i.e. 3. 

5 0
3 years ago
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