Hydrogen has three isotopes, 1H, 2H, and 3H. What is the difference between these three isotopes?A. The number of protons ranges from 1 to 3.
B. The number of electrons ranges from 1 to 3.
C. The number of neutrons ranges from 0 to 2.
D. The number of protons ranges from 0 to 2.

Answers

Answer 1

Answer:

The correct answer is C.

A substance is said to exhibit isotopy if the number of proton and neutron in the nucleus of the atom differs, whille the number of proton and electron are the same. Hydrogen has three isotopes and each of the isotopes has different number of neutron. Hydrogen 1 has no neutron but have 1 proton, hydrogen 2 has 1 neutron and 1 proton and hydrogen 3 has 1 proton and 2 neutrons.

Answer 2

Answer: C... The number of neutrons ranges from 1H with 0 neutron, 2H with 1 neutron and 3H with 2 neutrons.

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Compared to the atoms of nonmetals in period 3, the atoms of metals in period 3 have1. fewer valence electrons
2. more valence electrons
3. fewer electron shells
4. more electron shells

Answers

Compared to the atoms of nonmetals in period 3, the atoms of metals in period 3 have fewer valence electrons.

Option 1 is correct.

In the periodic table, the period runs from left to right on the table while the group runs from top to bottom on the table.

In period 3, the period starts with Sodium Na(alkali metal), Magnesium Mg(alkaline earth metals), Aluminium Al(other non metals), Silicon Si (non metals), Phosphorus (non-metals), Sulfur (non-metals). etc.

From left to right across period 3, the valence electrons in the outermost increase.

Hence, the metals will have fewer valence electrons since the metals start period 3.

Therefore, we can conclude that compared to the atoms of nonmetals in period 3, the atoms of metals in period 3 have fewer valence electrons.

Learn more about the periodic table here:

brainly.com/question/11155928?referrer=searchResults

Answer : Option A) Fewer valence electrons

Explanation : Compared to the atoms of non metals in period 3, atoms of metals in period 3 have fewer valence electrons.

There are 8 elemental members in third period which are eight: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon.

The first 2 elements belong to s-block whereas the other elements belong to p-block. The atomic radius is found to decrease across the period.

The electrons in the valence shell increases as we go from left to right in the period, which means when we move from metal to non-metal side the number of valence electrons also increases. This clearly shows that metals have fewer valence electrons as compared to the non-metals.

What is another term used for a "base"

Answers

Answer:

Alkali.

Alkali, a different word for base in chemistry, has some distinctions. Although all bases are alkalis, not all alkalis are bases.

another term used for a "base" is basis or foundation

What is the median of the following set: 2, 4, 6, 8, and 10?

Answers

Final answer:

The median of the set of numbers 2, 4, 6, 8, and 10 is 6 because the median is the middle number in a sorted, ascending or descending, sequence of numbers.

Explanation:

In the field of statistics, the median is the middle value in a set of data that has been arranged in ascending order. If the total number of data values is odd, the median is the middle value. When the count of data values is even, the median is computed as the average of the two middle values. The given data set is 2, 4, 6, 8, 10. Since this is an odd set of numbers, we set the number in the middle as the median. Thus, the median value here is 6.

Learn more about Median here:

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What can be concluded if an ion of an element is smaller than an atom of the same element?(1) The ion is negatively charged because it has fewer electrons than the atom.
(2) The ion is negatively charged because it has more electrons than the atom.
(3) The ion is positively charged because it has fewer electrons than the atom.
(4) The ion is positively charged because it has more electrons than the atom.

Answers

The question is,'what can be concluded if the ion of an element is smaller than the atom of the same element'. The correct option is 'the ion is positively charged because it has fewer electrons than the atom. An atom becomes charged either by donation or accepting electrons. When an atom donate electrons, it becomes positively charged and it has less electrons than its atom. For instance, calcium has 20 electrons, it becomes an ion by donating its two electrovalent electrons, thereby having only 18 electrons left. But when an element accepts electrons, it becomes negatively charged and has more electrons than its atom.

The following conclusion can be made if an ion of an element is smaller than an atom of the same element:

$\boxed{\left( 3 \right){\text{ The ion is positively charged because it has fewer electrons than the atom}}{\text{.}}}$

Further explanation:

Ions are the entities with a net electric charge, be it positive or negative. Since positive and negative charges can be present on the ions, ions are of two types-positively charged and negatively charged ions. The ions formed by loss of electrons develop a positive charge and are called cations. But the ions produced by the gain of electrons acquire a negative charge and are called anions.

Since cations are positively charged ions, these have fewer electrons as compared to the corresponding neutral atom. So these ions experience stronger forces of attraction with the atomic nucleus and are smaller in size in size than the parent atom.

Anions are formed by the addition of electrons to the neutral atom. It has more electrons than the parent atom so it feels electron-electron repulsion due to which its size becomes larger than the parent atom.

So cations are smaller than the parent atom of the same element whereas anions are larger than the parent atoms. Therefore if an ion is smaller than the atom, it is positively charged due to the presence of fewer electrons than the parent atom.

Learn more:

Component of John Dalton’s atomic theory: brainly.com/question/2357175
Basis of investigation for the scientists: brainly.com/question/158048

Answer details:

Grade: Senior School

Chapter: Atomic structure

Subject: Chemistry

Keywords: ions, cations, anions, loss, gain, electrons, net electric charge, electron-electron repulsion, parent atom, smaller, larger, size, neutral atom, positive charge, negative charge.

How does ice rain and wind change rocks

Answers

this is actually a pretty good question. when rain and wind and ice hit rocks it slowly chips away the big rocks and turns them into smaller rocks it's called deposition.
it is a lot like rust on metal it takes awhile but soon enough it will rust completely or turn the big rock into dust rocks.

An atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has (a)a total of two valence electrons (b)more protons than neutrons (c)more neutrons than protons or (d)a total of eight valence electrons

Answers

Answer: Option (d) is the correct answer.

Explanation:

Atomic number of argon is 18 and its electronic configuration is $1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)$ .

Also, it is known that number of electrons in K, L and M shells of argon are 2, 8, 8.

Thus, we can conclude that an atom of argon in the ground state tends not to bond with an atom of a different element because the argon atom has a total of eight valence electrons.

So, as per the octet rule, last sub-shell of argon is completely filled. Hence, it will not form any bond with any other atom.

the answer is a total of eight valence electrons
hope this help

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