CHEMISTRY HIGH SCHOOL

The octet rule states that,in chemical compounds,atoms tend to have

Answers

Answer 1
Answer: Atoms will either try to lose or gain electrons in order to have eight electrons in the outermost shell (excluding hydrogen, which only needs 2 for a full outer shell)

Related Questions

Ground water has some minerals dissolved in it. If you heat this water, collect the vapor in another container, and then cool it, you will get pure, or distilled, water. What makes this process a physical change?It forms a new substance (minerals), which is a physical change. It forms a new substance (water vapor), which is a physical change. It changes the color of water, which is a physical change. It changes the molecular structure of water, which is a physical change. It separates dissolved substances, which is a physical change.
Classify the following change as physical or chemical: A match lights when struck.A. Physical change B. Chemical change
What is the type of bond holding hydrogen and oxygen atoms together in a single h2o molecule? What is the type of bond holding hydrogen and oxygen atoms together in a single h2o molecule? Ionic bond covalent bond hydrogen bond?
What type of intermolecular force is CO3
Which barium salts is most insoluble in water?

Describe how to properly measure the volume of a liquid.

Answers

Use a graduated cylinder.
The best way to measure it usually is to use a beaker or graduated cylinder. 

List one extensive and intensive
property of marker ink

Answers

Explanation:

Intensive property: It is the property of substance which is independent of quantity of substance. Color of an ink is an intensive property.

Extensive property: It is the property of substance which depends upon quantity of substance which is just opposite to intensive property. Volume of an ink is an extensive property.
volume is an extensive property of a marker ink and color is an intensive property of a marker ink.

What is the pH of a 0.028M solution (pH=-log(M))A) 3.56
B)2.88
C)1.55
D)1

Answers

Answer:

C

Explanation:

-log(0.028)=1.55

Answer:

ph =-log (28 x 10^-2)

= -(log 28 +log10^-2) ie using indices

= -(1.44+(-2) )

=-(-0.56)

= 0.56

=approximately (1) ans

____ Turns food into a new form: a form that cells can use. A chemical change. B grinding. C physical change. D mixing. Why

Answers

The correct answer is A. Chemical change turns food into a new form, a form that cells can use. It happens because the food we eat cannot be processed by cells so several reactions inside our body allow chemical changes to the food we ate turning them to usable compounds for our cells.

According to the FDA, products labeled gluten-free must contain less than _______ of gluten.a. 5 milligrams
b. 10 grams
c. 20 milligrams
d. 50 grams

Answers

Answer: 20 milligram per kilo gram of food.

Explanation:

FDA: Food and drug Administration

According to FDA, product labelled as gluten free must contain 20 parts per million gluten. This also means that 20 milligram of gluten per kilo gram of food. or we can also say that 20 milligrams of gluten per 35.27 ounce of food.

Hence,the correct answer is option (c).
According to the FDA, products labeled gluten-free must contain less than 20 milligrams of gluten

On a hot summer day Lam walked home from his grandmothers with a chocolate bar in his pocket. When he arrived home the chocolate bar had melted in his pocket, which statement BEST explains why thechocolate bar melted?
A Heat transferred from the chocolate bar to his pocket.
B. Heat evaporated from his pocket to his chocolate bar.
c. Heat condensed from his leg to his chocolate bar in his pocket.
D. Heat transferred from the environment to the chocolate bar in his pocket.

Answers

Answer:

d

Explanation:

because it was in a hot environment your pocket
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For the reaction ?H2 +?O2 → ?H2O, what is the maximum amount of H2O (18.0153 g/mol) which could be formed from 9.43 g of H2 (2.01588 g/mol) and 12.98 g of O2 (31.9988 g/mol)? Answer in units of g.
Which solution will change litmus paper red?B) CH300 (aq)A) NaOH (aq)How many milliliters 0.100 M NaoH(aq) would be needed to compofB) 50.0 mLA) 300. mL
What is Aqua Auras mineral family/class?