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2 years ago

use the periodic table to select the element from the drop-down menu that has the correct relative electronegativity.

2 answers:

6 0

You need to list the elements but remember that fluorine has the highest electronegativity out of the entire periodic table

maria [59]2 years ago

3 0

Use the periodic table to select the element from the drop-down menu that has the correct relative electronegativity.

Mg > Ca

P > As

C <N

Br <Cl

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Which of these elements is the most reactive? potassium calcium titanium scandium

vladimir1956 [14]

Answer:

Scandium is the most reactive

3 0

2 years ago

You add 7.8 g of iron to 20.70 mL of water and observe that the volume of iron and water together is 21.69 mL . Calculate the de

bixtya [17]

21.69mL - 20.70mL = .99mL Fe
7.8 g / .99 mL = 7.9g/mL

4 0

3 years ago

9474 millimeters to centimeters using scientific notation showing work

puteri [66]

Answer:

9.474 x 10^2

Explanation:

ok. first you have to get the value in the required unit so 9474mm/(10mm/cm) = 947.4 so scientific notation states that the number must be raised to any power of an integer and the value of the number being raised must be less than than 10 and more than or equal to 1

so it must have one digit in front so.. 947.4 becomes 9.474 and because you move 2 places to the left, ur power is positive 2

and proof 10^2 is 100 so multiply 9.474 by 100 and u will get 947.4 cm which is also 9474 mm

8 0

3 years ago

Can someone help me with this pls

diamong [38]

The chemical elements are arranged in order of increasing atomic number. Answer A.

7 0

3 years ago

Read 2 more answers

A race car is driven by a professional driver at 99 . What is this speed in and ? 1 mile = 1.61 kilometers 1 hour = 60 minutes E

slavikrds [6]

Answer: The speed is equivalent to 159.39 kilometers per hour or 2.65 kilometers per minute.

Explanation:

Given, The speed of a race car = 99 miles/ hour

To convert the speed into kilometers per hour and kilometers per minute

Since 1 mile = 1.61 kilometers

So, Speed of car = (99 ) x (1.61 )

= 159.39 kilometers per hour.

Also, 1 hour = 60 minutes

Then, Speed of car = (159.39) ÷60

= 2.6565≈2.65 kilometer per minute.

Hence, the speed is equivalent to 159.39 kilometers per hour or 2.65 kilometers per minute.

4 0

3 years ago