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Semmy [17]
3 years ago
11

How many fluoride ion (F-1) are needed to balance a lead (IV) ion (Pb+4)?

Chemistry
2 answers:
mash [69]3 years ago
4 0
If your lead (IV) has a charge of +4 and the fluorine has a -1 then you would need 4 F-1 to balance the +4 charge.
PbF4
salantis [7]3 years ago
3 0
3

Pb2F3

nnnnnnnnnnnnnnn
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Name an element or elements in the periodic table that you would expect to be chemically similar to potassium.
Rina8888 [55]
Potassium (K) is in Group I of the periodic table, and elements in the same column (period) are similar. Sodium (Na), or lithium (Li) are similar.
6 0
3 years ago
How many atoms are in 2.70 moles of iron (Fe) atoms?
vredina [299]
The answer is <span>1.63 × 1024 atoms Fe.
</span>

Avogadro's number is the number of units (atoms, molecules) in 1 mole of substance:

<span>6.023 × 10²³ atoms per 1 mole
</span>So, how many atoms are per 2.70 moles:

6.023 × 10²³ atoms : 1 mole = x : 2.70 moles
x = 6.023 × 10²³ atoms * 2.70 moles : 1 mole
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Ethan is investigating a snails response to stimuli. He put the following substances on each corner of a paper towel; syrup,lemo
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There doesn't seem to be a clear answer, it is placed in the center when it's substances is on the corners it doesn't give anything else
4 0
3 years ago
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Oil of vitriol is a substance that humankind has known of for
aleksklad [387]

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5 0
2 years ago
Traveling at the speed of light - how long would it take, in years, to reach the top of the pile of balls? Show all calculations
marusya05 [52]

The time taken for the object to reach to top of pile is 0.012 year.

<h3>Time of motion </h3>

The time taken for the object to reach to top of pile is calculated as follows;

time of motion = distance traveled/speed

time of motion = (1.1 x 10¹⁴ x 10³ m)/(3 x 10⁸ m/s)

where;

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time of motion = 3.67 x 10⁵ sec = 0.012 year

Thus, the time taken for the object to reach to top of pile is 0.012 year.

Learn more about time of motion here: brainly.com/question/2364404

#SPJ1

7 0
2 years ago
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