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2 years ago

Which of the following is NOT a characteristic that all living things share? *

Chemistry

2 answers:

Natasha_Volkova [10]2 years ago

6 0

Answer:

C- "able to talk"

Explanation:

Not all living things cant talk, but they all use energy, are made of cells and can reproduce.

Elenna [48]2 years ago

4 0

The answer is able to talk

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A compound that yields hydrogen ions when dissolved in a solution

Mumz [18]

A compound that yields hydrogen ions when dissolved in a solution is an acid.

An example is an aqueous solution of HCl.

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3 years ago

The hydrogen atom is not actually electronegative enough to form bonds to xenon. were the xenon-hydrogen bond to exist, what wou

Marat540 [252]

Answer : The structure of $XeH_4$ will be square-planar.

Explanation :

In the given molecule $XeH_4$ , 'Xe' is the central atom and 'H' is the terminal atom.

Xenon has 8 valence electrons and hydrogen has 1 valence electron. Therefore, the total number of valence electrons are 8 + 4(1) = 12 electrons.

The number of electrons used in Xe-H bonding = 8 electrons

The remaining electrons which are used as lone pair on central atom (Xe) = 12 - 8 = 4 electrons

There are 4 bonding pairs and 2 lone pairs of electrons, they will be arranged in the octahedral arrangement around the central atom with 2 lone pairs of electrons on central atom. The lone pairs are arranged linearly across the central atom. The resulting structure will be square-planar.

The structure of $XeH_4$ is shown below.

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2 years ago

State the number of protons contained in the atomic number 8

Nat2105 [25]

Answer:

There are 8 protons

Explanation:

${ \bf{atomic \: number = proton \: number}}$

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3 years ago

1. The two qualities used to describe winds are________ and speed. 2. a local wing that blows during the day from an ocean towar

Mazyrski [523]

1. The two qualities used to describe winds are direction and speed.
2. a local wind that blows during the day from an ocean toward land is a(n) sea breeze.
3. The increase in cooling that wind can cause is called the wind-chill factor.
4. Temperature differences between the equator and poles produce convection currents.
A movement that is parallel to Earth's Surface is called wind and a local wind is that wind that blows over a short distance.

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3 years ago

What type of model did Rutherford, Thompson and Bohr develop?

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The Bohr atomic model, relying on quantum mechanics, built upon the Rutherford model to explain the orbits of electrons.

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2 years ago