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3 years ago

Which of the following could result from the fission of carbon?

1 answer:

3 0

In nuclear reactions, there are can be two kinds: nuclear fission and nuclear fusion. From the word itself, fusion is combination while fission is breaking. Nuclear reactions are different from chemical reactions. Whereas chemical reactions from compounds by exchanging elements, nuclear reactions add or eliminate subparticles, like protons, neutrons and electrons.

So, when carbon is split up, their protons should add up to 6, which is its atomic number. From the choices, the only obvious answer is two lithium atoms. To investigate further, lithium has an atomic number of 3. So, two lithium atoms would equal to 6.

Therefore, the answer is <span>two lithium atoms.</span>

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Which change would increase the pressure exerted by a gas?

Gelneren [198K]

Answer:

C - raising the temperature of a gas

Explanation:

as you raise temperature, kinetic energy rises, and so does pressure

7 0

3 years ago

Which list BEST identifies how the arrows should be arranged around the paper leaf in the model to represent the movement of mat

Andrew [12]

Answer:

D. Point into Leaf: water(H₂O), carbon dioxide (CO₂) sunlight, Point away from leaf: Sugars, oxygen (O₂)

Explanation:

Photosynthesis is the process used in the production of chemical energy in the form of energy containing organic compounds and oxygen from atmospheric carbon dioxide and liquid water enabled with the energy captured from light (mainly Sunlight) by the chlorophyll in green plants and other organisms

The basic chemical reaction involved in a photosynthesis reaction is presented as follows;

${}$ Sunlight

${}$ ↓

${}$ CO₂ + H₂O (l) → C₆H₁₂O₆ + O₂

Carbon dioxide ${}$ Water Glucose Oxygen

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3 years ago

Metals show a wide range of chemical behavior. Give examples of that variation by describing some common properties of calcium,

Alex17521 [72]

The elements calcium, gold, iron and sodium are all metals. They all have a tendency to donate their valance electrons, rather than acquiring additional valance electrons. They all form metallic bonds, in the form of a shared electron cloud. They all have the electrical conductivity and metallic luster which comes with metallic bonds.

4 0

4 years ago

Read 2 more answers

Content attribution

lidiya [134]

The given question is incomplete. The complete question is :

Which anion would bond with K+ in a 1: 1 ratio to form a neutral ionic compound?

a) $O^{2-}$

b) $F^{-}$

c) $N^{3-}$

d) $S^{2-}$

Answer: b) $F^{-}$

Explanation:

For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Here potassium is having an oxidation state of +1 called as cation and thus is an anion must have an oxidation state of -1 if they have to combine in 1: 1 ratio to give neutral ionic compound.

Thus the anion has to be $F^-$ which combines with $K^+$ in 1: 1 ratio to give $KF$

8 0

3 years ago

What is the name of this hydrocarbon?

seraphim [82]

It's 2-methylpropane.
:•)

4 0

4 years ago