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Akimi4 [234]
4 years ago
7

How does atomic radius change within groups and across periods in the periodic table

Chemistry
1 answer:
Aleks [24]4 years ago
4 0
<span>In general,atomic size increases from top to bottom within a group and decreases from left to right across a period</span>
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Which separation technique could be used to separate a mixture based on differnces in boiling point.
makvit [3.9K]
The answer is B! Chromatography involves solvent separation on a solid medium. Distillation takes advantage of differences in boiling points. Evaporation removes a liquid from a solution to leave a solid material
6 0
3 years ago
NEED ANSWER FAST
Korolek [52]

Answer: Option (c) is the correct answer.

Explanation:

When current passes through a wire then a magnetic field is formed. Therefore, when two wires carry current in the same direction then both the wires with have respective magnetic fields in the same direction and their total magnetic field will be large.

But when current between two wires flow in opposite direction then the magnetic field produced will also be in opposite direction. Therefore, both the magnetic fields cancel each other out. Thus, total magnetic field will be small.

As a result, wires which carry current in the opposite direction repel each other.


4 0
4 years ago
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The population size of a predator species is directly controlled by _____. the population cycle of parasites the population cycl
AVprozaik [17]
The population size of its prey 

6 0
3 years ago
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YO I NEED HELP!!!! APEX PLEASE
podryga [215]
B is the correct answer for it
8 0
3 years ago
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One liter of a solution is found to contain 0.022 moles of HCl. Calculate the pH of the solution. Assume complete dissociation.
Ierofanga [76]

Answer:

The pH of the solution is 1.66

Explanation:

Step 1: Data given

Number of moles HCl = 0.022 moles

Molar mass of HCl = 36.46 g/mol

Step 2: Calculate molarity of HCl

Molarity HCl = moles HCl / volume

Molarity HCl = 0.022 moles / 1 L = 0.022 M

[HCl] = [H+] = 0.022 M

Step 3: Calculate pH

pH = -log [H+]

pH = -log(0.022)

pH = 1.66

The pH of the solution is 1.66

6 0
3 years ago
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