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statuscvo [17]
3 years ago
15

Which combination makes up most of the mass of an atom?

Chemistry
1 answer:
Slav-nsk [51]3 years ago
6 0

Answer:

Explanation:

its c. protons and neutron

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Formula of sodium bicarbonate<br>please help me with this​
Stels [109]

Answer:

NaHCO₃

Explanation:

Sodium bicarbonate (baking soda) is a chemical compound with the formula NaHCO₃.

5 0
2 years ago
CAN SOMEONE PLEASE HELP ME?!
Len [333]

Answer:

no

Explanation:

because

5 0
3 years ago
What is the force exerted if a 52kg student accelerates into their desk at 5/ms2
murzikaleks [220]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{260 \: newton}}}}}

Explanation:

Mass ( m ) = 52 kg

Acceleration ( a ) = 5 m / s²

Force ( F ) = ?

According to Newton's second law of motion ,

\boxed{ \sf{force = mass \times acceleration}}

\longrightarrow{ \sf{force = 52  \times 5}}

\longrightarrow{ \sf{force = 260 \: newton}}

Hope I helped!

Best regards! :D

3 0
2 years ago
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A classroom has a volume of 278 m3. What is its volume in<br> km3
Tcecarenko [31]
1 m = 0,001 km
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278 m³ = 0,000000278 km³ = 2,78×10^(-7) km³

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3 0
3 years ago
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What is the relationship between valence electrons and the number of bonds that can be formed?
nadya68 [22]
 <span>Like the previous post states, the number of valence electrons (typically the group number for nonmetals)relates directly to the number of covalent bonds available. Additionally, when you exceed this number you create a cation and when you are less the number of potential bonds, you have created a anion.
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