Which group and period does the electron figuration represent 1s22s22p63s24s23d8

Answers

Answer 1

Answer:

group4, period4

Explanation:

from the electron configuration,

the element is Titanium

and it's has 22 electrons on it's shells , so wen you place it on the periodic table, you will see that it's in group4period4

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Which countries participated in the Equilant cruises?France
Brazil
United States
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Answer:

ussr us france and brazil

Explanation:

On the periodic table how many periods are there and how many columns are there

Answers

There are seven periods with eighteen columns in the periodic table.

Explain why standard units of measurement are particularly important to scientists.

Answers

The standard units of measurement are particularly important to scientists because they make the result more accurate and precise.

What are accuracy and precision?

When the average value of the different measurements is similar to the correct value then the measurement is said to be accurate and the phenomenon is said to be accurate.

When the values of measurement are close to each other then the result is said to be precise and the phenomena are said to be precise and need to do for the better accuracy of results.

Therefore, they make the result more accurate and precise.The standard units of measurement are particularly important to scientists.

Learn more about accuracy and precision, here:

brainly.com/question/28289139

#SPJ2

Answer:

Explanation: The standred units of measurments are important to scientists because they are the same measurments that all scientist take to make sure that they all have the correct results.

if you have 0.5 grams of CaCl2 dissolved to make 15mL of solution, what is the molarity of the solution?

Answers

Answer:

0.3M

Explanation:

Molarity of a solution is given by;

M=n/v

Where;

n= number of moles of solute = mass of solute / molar mass

v= volume of solution

n= mass of CaCl2 / molar mass of CaCl2

Mass of CaCl2 = 0.5

Molar mass of CaCl2 = 40 + (2×35.5)

= 111g/mol

n = 0.5/111 = 0.0045mol

volume, v= 15mL = 15/1000 L = 0.015L

Note that molarity is in mole per liter, hence we convert 15mL to L. 1mL=1/1000L

M =0.0045/0.015

M=0.3mol/L

Therefore, the molarity of the solution is 0.3M

What's a good science project?

Answers

Pour Milk In A Bowl, Add Lots Of Food Dye Colors But Don't Mx Them In. Take A Q-Tip And Dip It In Dish Soap. Stick It In The Milk's Center and WOAH COLOR EXPLOSION. This Reaction Works Because The Soap Is Breaking Down The Fat In The Milk, And The food dye lets you SEE THAT PROCESS!

I would look up STEM fair projects, I recently had to do one for AP chem but in all honesty my project kinda sucked, haha. It was basically figuring out if the initial temperature of a substance affected the rate at which it froze.

Lithium, sodium, and potassium are examples of

Answers

Answer:

The correct answer is: Alkali Metals

Explanation:

The chemical elements that belong to the group 1 of the periodic table are known as the alkali metals. The alkali metals belong to the s-block and are highly reactive in nature.

The alkali metals are lithium (chemical symbol Li), sodium (chemical symbol Na), potassium (chemical symbol K), rubidium (chemical symbol Rb), caesium (chemical symbol Cs), and francium (chemical symbol Fr).

Therefore, lithium, sodium, potassium are examples of alkali metals.

Metals in the periodic table.

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