patterns are important because they prove life has meaning ( or if you mean
Scientifically is is that the ability to recognize and create patterns help scientists make predictions based on there observations.
Answer:
If an atom, ion, or molecule is at the lowest possible energy level, it and its electrons are said to be in the ground state. If it is at a higher energy level, it is said to be excited, or any electrons that have higher energy than the ground state are excited
Explanation:
pls mark brainliest
Answer:
<h3>The answer is 0.1 mol</h3>
Explanation:
To find out the number of moles we use the formula

where
n is the number of moles
M is the molar mass
m is the mass of the substance
From the question
m = 400 g
M of Ca = 40 g/mol
We have

We have the final answer as
<h3>0.1 mol</h3>
Hope this helps you
Answer:
The answer is
<h2>1.74 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass of magnesium = 11.81 g
volume = 6.80 mL
The density of the metal is

We have the final answer as
<h3>1.74 g/mL</h3>
Hope this helps you