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True [87]
3 years ago
15

List three aids with example that are useful for people who are optically impaired​

Chemistry
1 answer:
fomenos3 years ago
8 0
Magnifying Glasses, Telescopes and Glasses.
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WHAT DOES THIS SAY AND WHAT THE ANSWER
notka56 [123]

It says

The majority of elements on the periodic table are ______________ (metals, nonmetals, or metalloids).  

The periodic table on the left separates elements into three groups: the metals (green in the table), nonmetals (orange), and metalloids (blue). Most elements are metals.

Apr 18, 2003

4 0
3 years ago
The gram-formula mass of NO2 is defined as the mass of
ch4aika [34]
The correct answer is (1) one mole of NO2.

The gram formula mass is also known as the molar mass and is defined by the mass over one mole of a substance.

Hope this helps~
4 0
3 years ago
Read 2 more answers
Which of the following is NOT true?
zepelin [54]

Answer:

it's answer 2

Explanation:

magnets can only move metal

7 0
2 years ago
How to balance CH4 + O2=CO2+H2O
sertanlavr [38]

Answer:

LHS-RHS

1 C - 1 C

4 H-2 H

2 O- 3 O

So on right side 2 hydrogen are less and one oxygen is more..so

Balanced equation is

CH4+2O2==CO2 + 2H2O

Explanation:

7 0
3 years ago
Read 2 more answers
Will sodium iodide react with bromine to produce sodium bromide and iodine? Why or why not?
Gre4nikov [31]

Answer:

C

Explanation:

The higher the period the higher the activity of an element, therefore, since iodine is in period 6 and bromine is in period 5, the described reaction is not possible due to the fact that bromine is less active

4 0
2 years ago
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