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xeze [42]
3 years ago
14

1. Electromagneac waves are proucay

Chemistry
1 answer:
vesna_86 [32]3 years ago
7 0

Answer:

B And A

Explanation:

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Identify the reaction<br> In photo
MrRa [10]

Answer:

single displacement

Explanation:

4 0
3 years ago
A __, such as H2SO4, is a symbol that shows the elements in a compound and the ratio of atoms
mojhsa [17]
Chemical Formulas (in their most basic form) are things like that.

They can get as complicated as HSO + HSO3 = H2SO4 though.
3 0
3 years ago
How many images will be formed when two plane mirrors are inclined at an angle of 45 degree​
insens350 [35]

Answer:

7 Images

Explanation:

n = 360 / a - 1 =  360 / 45 - 1 = 8-1= 7

(Based on multiple reflections)

I hope im right!!

6 0
3 years ago
Different between:Electrovalent bond and covalent bond​
nikdorinn [45]

Explanation:

electrovalent bond covers single bond.

Covalent bond covers double or more bonds.

4 0
3 years ago
A cube of an unknown metal measures 0.250 cm on one side. The mass of the cube is 0.134 g. Which of the following is most likely
rosijanka [135]

Answer:

8.58 g/cm3

Explanation:

density = mass / volume

be attention that the question gives u the length of

one side of the cube so u should calculate the volume

of the cube using your information of math .

1st we calculate the volume of the cube :

 V of cube = a 3= axaxa

                 = 0.250 x0.250 x0.250

                 = 0.0156 cm3

 2nd step

density = mass/volume

             =  0.134/ 0.0156 = 8.58 g/cm3

5 0
3 years ago
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