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barxatty [35]
3 years ago
6

What?! How do you know the answer??

Chemistry
1 answer:
Luda [366]3 years ago
3 0
It looks like the answer is a! It couldn’t be b or c because we’re looking at millimeters(mm). And it reaches the 8mm line so the answers a!
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Tips for memorizing the first 20 elements of the periodic table?​
Anna [14]

Answer:

hydrant flying with balloon, balloon has lithp letting air out, bee: really yum balloon

    =                           =                                 =                                   =

hydrogen              helium                     lithium                     beryllium

be bore on the balloon, balloon pops, hydrant drops and makes a car bomb

           =                                                                                                  =

    boron                                                                                              carbon

night row general gets hurt by car bomb nearby, that general gets off boat

        =                                

nitrogen

wearing oxygen mask, mask is full of fluride gel, then he got neon teeth

             =                                               =                                      =

         oxygen                                fluorine                                neon

(try making a story out of the elements, use your imagenation)

7 0
2 years ago
Read 2 more answers
What are table sugar and baking soda examples of
schepotkina [342]

Answer:

Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances that are chemical elements. All elements are pure substances.

Explanation:

PLEASE MARK ME AS BRAINLIEST

4 0
2 years ago
What is the chemical name for a compound with the formula ba3n2?
LekaFEV [45]
Barium nitride 

copy the name of the metal as it is written in the periodic table and the first part of the name of the nonmetal (nitrogen)  and replace the end by "ide"
3 0
3 years ago
Blank are produced when atoms if the elements in group 7A blank an electron​
Romashka [77]

Answer:

Halide ions are produced when atoms of elements in Group 7A gain an electron.

Explanation:

6 0
3 years ago
1. Define anthracite.<br>​
faltersainse [42]

Answer:

a hard natural coal of high luster differing from bituminous coal in containing little volatile matter and in burning very cleanly is called anthracite  . called also hard coal

Explanation:

Answer from Gauth math

6 0
2 years ago
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