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EastWind [94]
3 years ago
9

Which of the following elements is the largest?

Chemistry
2 answers:
salantis [7]3 years ago
4 0

Answer:

A) Boron

Explanation:

I put oxygen and it was wrong lol. So, it said it was Boron

Leya [2.2K]3 years ago
3 0

Answer:

oxygen i think so......

Explanation:

i did the same question on my test

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HELP!!1 ASAP PLEASE!!
coldgirl [10]

The correct matches are as follows:

1. Big Bang theory: Theory that suggests the origin of the universe started with an explosion and expansion of a very hot, dense, compact fireball.

2. Steady state theory: Theory about the origin of the universe that suggest that the universe has and will continue to be at a steady continuous state.

3. Oscillatory universe theory: Theory about the origin of the universe that suggests the universe is a never ending cycle of expansion and contraction.

4. Nebular theory: Theory about the origin of the solar system that suggest our sun and planet formed from a cloud of dust and gas.

5. Inflation theory: Theory that upholds the big bang theory but suggest there was an extremely rapid expansion or inflation milliseconds after the big bang.

6. Condensation theory: Theory about the origin of the solar system that agree with the nebular theory but stresses the importance of interstellar dust in planet formation.

5 0
4 years ago
The water byproduct produced during the addition of an amino acid to a growing polypeptide through a dehydration/condensation re
max2010maxim [7]

Answer: The water by-product produced arises from the carboxy-terminus of one amino acid with the amine terminus of a second amino acid

6 0
4 years ago
3 moles of anything is how many particles?
Natali [406]

Answer:

<h2>1.806 × 10²⁴ particles</h2>

Explanation:

The number of particles in a substance can be found by using the formula

<h3>N = n × L</h3>

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

N = 3 × 6.02 × 10²³

We have the final answer as

<h3>1.806 × 10²⁴ particles</h3>

Hope this helps you

3 0
3 years ago
12.<br>Contrast and compare:<br>a) ionic and covalent bonding​
Y_Kistochka [10]

Answer:

Ionic bonds - an intramolecular force exist in a nonmetal and metal compounds such as NaCl. The Na donate 1 electon to Cl to complete its octet rule.

Covalent bond - an intramolecular force exist in a nonmetal and nonmetal compounds such as bonds O2, Cl2, CO2, sugar, proteins and most of organic compounds and biomolecules by sharing electrons to bond.

There are two types of covalent bonds: polar and nonpolar. Polar bond is a bond between two different nonmetal atoms of different electronegativities. While nonpolar bond is a bond between the same atom or two differenct atoms of the same electronegativities (if there is). Their electronegativities pull will cancel so that their overall polarity is zero.

5 0
3 years ago
A sample of nitrogen gas is stored in a 592.2 mL flask at 108 kPa and 10.0°C. The gas is transferred to a 750.0 mL flask at 28.9
vfiekz [6]
According to Gases law, we know, 
PV/T = Constant

So, P₁V₁/T₁ = P₂V₂/T₂

Here, P₁ = 108 kPa
V₁ = 592.2 mL
T₁ = 10+273 = 283 K
P₂ = ?
V₂ = 750 mL
T₂ = 28.9+273 = 301.9

Substitute their values, 

108 * 592.2 / 283 = P₂ * 750 / 301.9
P₂ = 63957.6 * 301.9 / 283 * 750
P₂ = 19308799.44 / 212250
P₂ = 90.97 kPa

In short, Your Final Answer would be: 90.97 kPa

Hope this helps!
8 0
4 years ago
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