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Lisa [10]
4 years ago
12

Two Chemistry questions 30 points

Chemistry
1 answer:
coldgirl [10]4 years ago
6 0

Answer:

999

Explanation:

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zvonat [6]

Answer:

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6 0
3 years ago
Will upvote
nirvana33 [79]
The answer is cold air 
3 0
3 years ago
Which of the following are subatomic particles? Select all that apply.
Viefleur [7K]

Answer:

Protons, Neutrons, and Electrons

Explanation:

About Subatomic particles: Subatomic particles include electrons, the negatively charged, almost massless particles that nevertheless account for most of the size of the atom, and they include the heavier building blocks of the small but very dense nucleus of the atom, the positively charged protons and the electrically neutral neutrons.

3 0
4 years ago
Read 2 more answers
Select which of the following describes Ionization Energy. Energy required to remove an electron from an atom. How strongly an a
Umnica [9.8K]

Answer:

Energy required to remove an electron from the atom.

Explanation:

Energy required to remove an electron from an atom describe ionization energy because in chemistry, ionization energy in is the amount of energy needed to remove electrons from the atoms or ions of chemical species.

Ionization energy increases as we move across the period of elements in the group and this is because electrons are bond tighter by high effective nuclear charge and ionization energy of elements increases down the group because electrons are bond together in lower energy orbitals.

3 0
3 years ago
Which of these species are free radicals? check all that apply. check all that apply. no2 no o o2 o3?
professor190 [17]
Answer: NO2, NO, and O2.

<span>Free radicals are toxic substances produced by the body. In normal circumstances,the body can neutralize but<span> when the level of these substances is to much,they accumulate and can generate diseases, such as osteoporosis and cancer.</span></span>


4 0
3 years ago
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