CHEMISTRY HIGH SCHOOL

Estion 2
Where are the non-metals on the periodic table?

Answers

Answer 1
Answer:

Answer: nonmetals are located on the upper right

Explanation:

Related Questions

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A sample of seawater has a mass of 158g and a volume of 156mL. What is its density?
Please! Which statement correctly describes glucose (C6H12O6)?A)It is made of matter and contains twenty-four molecules.B)It is an element made of three types of atoms.C)It is an atom made up of carbon, hydrogen, and oxygen.D)It is a compound made of twenty-four total atoms of three different elements.
What is the symbol for an atom containing 20 protons and 22 neutrons?
Suppose that geneticists developed a strain of bacteria that breaks down polyethylene, an otherwise non biodegradable plastic. How would such bacteria be useful? Do you foresee any dangers from these new bacteria?

Scientific experiments are specially designed to evaluate explanations for an observed phenomenon. A student decides to conduct an experiment to determine the effect that the amount of time spent in sunlight has on the overall growth of a plant. The student will carry out the experiment using two identical plants that will only spend different amounts of time in sunlight. All other aspects necessary for growth will remain identical for each. In the experiment described, what would be the amount of water given to each plant?

Answers

Answer:

This question lacks options, the options are:

a. an observation

b. a dependent variable

c. an independent variable

d. a control

The answer is D. Control

Explanation:

According to the question, a student decides to conduct an experiment to determine the effect that the amount of time spent in sunlight has on the overall growth of a plant. The student keeps all other variables needed for the plants' growth in this experiment the same/identical. These variables kept identical by the student is called CONTROL OR CONSTANT.

One of the CONTROL is the amount of water given to each plant. The amount of water given to the two plants being tested must be the same. Hence, WATER in this experiment is a CONTROL VARIABLE.

Note that, the independent/manipulable variable is the amount of time spent in sunlight while the dependent/measurable variable is the growth of the plants.

Answer:

The answer is D control

Explanation:

Which statement about the self-ionization of water is correct? a. Two water molecules interact to form a water molecule and a hydroxide ion. b. Two water molecules interact to form a hydronium ion and a hydroxide ion. c. Two water molecules interact to form two hydronium ions. d. Two water molecules interact to form two hydroxide ions.

Answers

Answer: The correct answer is Option b.

Explanation:

Water is the compound which is formed by the covalent bonding of hydrogen and oxygen atoms. The chemical formula for this compound is H_2O

Self-ionization of water is defined as the process in which 2 water molecules react together to produce hydroxide ion and hydronium ion.

The equation for the self ionization of water molecule follows:

2H_2O(l)\rightarrow H_3O^+(aq.)+OH^-(aq,)

By Stoichiometry of the reaction:

2 moles of water molecules react together to produce 1 mole of hydronium ion and 1 mole of hydroxide ion.

Hence, the correct answer is Option b.
b. Two watermolecules interact to form a hydronium ion and a hydroxide ion. This is basically the definition of the process.

Gas A effuses 0.68 times faster than gas B. If the molar mass of gas B is 17 grams, what is the mass of gas A?

Answers

So gas A must be heavier than B since it effuses slower 
17 g/mole / (0.68)^2 = 36.8 g/mole

How would one convert 36 yd to centimeters 2.54 cm = 1 in)?​

Answers

D is the correct process to convert 36 yds to centimetres 2.54 cm = 1 in.

What are centimetres?

A metric unit of length, equal to one-hundredth of a metre.

To convert a yard measurement to a centimetre measurement, multiply the length by the conversion ratio. The length in centimeters is equal to the yards multiplied by 91.44.

D is the correct process to convert 36 yds to centimetres 2.54 cm = 1 in.

Learn more about centimetres here:

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Answer:

D

Explanation:

A P E X

Which compound would most likely turn litmus paper to a red color?a. CH₃CH₂CH₂OH 
b. CH₃CH(Br)CH(Br)CH₃
c. CH₃CH₂CH(Br)CH₃
d. CH₃CH₂CH₂COOH 
e. CH₃CH₂CH₂CH₃

Answers

answer D, because it's acid

Heat, like work, is an energy transfer measured in

Answers

Heat, like work, is an energy transfer measured in:

joules.......I hope this helps
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