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crimeas [40]
3 years ago
14

The photograph below shows the East African Rift Valley in Africa. Which tectonic movement

Chemistry
1 answer:
GalinKa [24]3 years ago
8 0

Answer:

divergence of continental crust

Explanation:

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5. The strength of a gravitational force between two objects depends on
Sophie [7]

Answer:

mass and distance

Explanation:

the force of gravity the masses exert on each other. If one of the masses is doubled, the force of gravity between the objects is doubled. increases, the force of gravity decreases

3 0
3 years ago
Which of these elements is a transition metal? francium (Fr) beryllium (Be) chromium (Cr) gallium (Ga) bismuth (Bi)
vitfil [10]
I believe the correct answer from the choices listed above is the third option. It would be chromium (Cr) that is a transition metal. The 38 elements in groups 3 through 12 of the periodic table are called "transition metals<span>". Hope this answers the question. Have a nice day.</span>
8 0
3 years ago
PLEASE HELP ME! What are some patterns or trends that are present in the table of elements?
Sati [7]

Some patterns and trend that are present in the periodic table would be

1. electronegativity (from left-to-right it increases across the table)

2. ionization (from left-to right it increases and from bottom-to-top it increases)

3. electron affinity (same as ionization energy)

4. atom radius (increases opposite way; from right-to-left it increases and from top-to-bottom it increases)

5. melting point (higher melting points with metals and lower melting point with non-metals)

6. metallic character (same as atom radius)

5 0
3 years ago
What is the chemical formula for aluminum fluoride? A) Al3F B) AlF C) AlF3 D) AlFl3
Andrei [34K]

The chemical formula for aluminum flouride is C). AlF3.

7 0
3 years ago
Read 2 more answers
To draw a Lewis structure for a polyatomic ion, begin by calculating A, the available electrons, and N, the needed electrons. Wh
GalinKa [24]

Answer:

16

Explanation:

Because the sum of all electron in that compound should be 41 and as it has one electron extra ,total no. of electrons are 42 .

So if we add 26 +16 we get 42

Hence it's correct answer

4 0
3 years ago
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