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3 years ago

Which statement accurately describes a potential danger of radiation?

Chemistry

1 answer:

dsp733 years ago

3 0

Answer:

Even small amounts of radiation over a prolonged period of time can be dangerous.

Explanation:

We all get exposed to radiation, such as through x-rays, and it's fine as one off experiences. However, if you're constantly dealing with radiation without any sort of protection, no matter how small the amount is, it could potentially lead to consequences like cancer. This is due to the fact that radiation can alter our genes

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An element's atomic number is 78. How many protons would an atom of this element have?

Oksanka [162]

Answer:

Explanation:

atomic number is number of protons

6 0

4 years ago

Classify these substances? More than one answer may apply in each case.

dalvyx [7]

Answer:

N2 element, pure substance

O2 element, pure substance

N2O Compound, pure substance

Air (mostly N2 and O2 ) homogeneous mixture

Explanation:

N2, Nitrogen is known as the chemical element that is characterized by having atomic number 7 and that is symbolized by the letter N, in its molecular version, it is recognized as N2.

O2, Oxygen is the chemical element of atomic number 8, this molecular form is composed of two atoms of this element.

A chemical element is a type of matter, consisting of atoms of the same class.

N2O, Nitrous oxide is formed by the union of two molecules of nitrogen and one of oxygen, which is considered a chemical compound since it is a substance formed by the chemical combination of two different elements of the periodic table.

A pure substance is one that cannot change state or divide into other substances, except for a chemical reaction.

Air (mostly N2 and O2 ), it is a homogeneous mixture of gases that constitutes the earth's atmosphere. A homogeneous mixture is a type of mixture in which its components are not distinguished and in which the composition is uniform and each part of the solution has the same properties.

3 0

3 years ago

HALP PLZ I NEED AN ANSWER ASAP!!! 108, 110, and 112

yanalaym [24]

Answer:

112.

a. [Ne] 3 $s^{2}$ 3 $p^{5}$

b. [He] 2 $s^{2}$ 2 $p^{1}$

c. [Ar] 3 $d^{1}$ 4 $s^{2}$

d. [Kr] 4d1 5s2

e. Xe 4f14 5d10 6s2 6p5

3 0

3 years ago

Read 2 more answers

The following reaction occurs in a car’s catalytic converter.

blagie [28]

Answer:The correct answer is ;

The oxidation state of nitrogen in NO changes from +2 to 0, and the oxidation state of carbon in CO changes from +2 to +4 as the reaction proceeds.

Explanation:

$2NO(g)+2CO(g)\rightarrow N_2(g)+2CO_2(g)$

In an oxidation recation addition of oxygen atom takes place or loss of electrons takes place.

In an reduction reaction removal of oxygen atom takes place or gain of electrons takes place.

In the given reaction , the nitrogen atom is present in +2 oxidation state in NO molecule and present in 0 oxidation state in $N_2$ molecule. Hence, nitrogen is getting reduced that is reduction reaction. NO is oxidizing agent

In the given reaction , the carbon atom is present in +2 oxidation state in CO molecule and present in +4 oxidation state in $CO_2$ molecule. Hence ,carbon is getting oxidized that is oxidation reaction. CO is a reducing agent.

8 0

3 years ago

Read 2 more answers

Which animals has a pulse rate of more than 1200 beats per minute?

Ket [755]

Answer: The pygmy shrew

Explanation: which weighs in at less than an ounce, has the fastest heartbeat of any mammal at 1,200 beats per minute, according to the National Wildlife Federation.

6 0

3 years ago

Read 2 more answers