2 years ago

Placer deposits form when ____.

Chemistry

2 answers:

Oxana [17]2 years ago

8 0

Think it’s B or C because they make more sense

maria [59]2 years ago

8 0

The answer is B) <span>heavy eroded particles settle out of moving water</span>

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How many moles of tungsten (W,183.85 g/lol are in 415 grams of tungsten?

vladimir1956 [14]

Given mass of tungsten, W = 415 g

Molar mass of tungsten, W = 183.85 g/mol

Calculating moles of tungsten from mass and molar mass:

$415 g * \frac{1 mol}{183.85 g} = 2.26 mol W$

7 0

2 years ago

The directional term that refers to an area or structure off to the side and away from the midline is __________.

Gnesinka [82]

Answer:

Lateral

Explanation:

Is the opposite side of the midline

8 0

3 years ago

Fossil A is found in a rock layer above a layer containing Fossil B. Which fossil is probably older?

ch4aika [34]

Answer:

Fossil B

Explanation:

Fossil B is older because it's later is at the bottom

4 0

2 years ago

Please help me!!!!!!

Natalka [10]

I think it should be 2.358

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2 years ago

What are the atomic number and mass number for the carbon isotope with seven neutrons?

Nady [450]

Answer:

The answer to your question is:

atomic number (Z): 6

mass number (A) : 13

Explanation:

Carbon has an atomic number of 6 and a mass number of 12,

Mass number = # protons + # neutrons

12 = 6 + # neutrons

#neutrons = 12 - 6 = 6

For the carbon isotope the atomic number does not change is still 6

13 = 6 + # neutrons

# neutrons = 13 - 6

# neutrons = 7

7 0

3 years ago