Density = mass / volume so density = 62.5429 / 3.24 = 19.3 g/ml. This is the density of gold.
Step 3
Explanation:
Step 3 contains a major error.
In step 3, it is stated as molten rocks are heated.
Molten rocks are not heated.
Solid rocks are heated as the plate is pushed down under the earth due to movement of tectonic plates.
When the rock is heated, the rock is melted to become molten.
- The molten rock is called magma.
- When the magma cools, it solidifies to form igneous rocks.
A molten rock is not heated to form igneous rocks.
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The cations has positive charges that are metals while the anions have negative charges that are non-metals. Upon reaction, there is an exchange in charges that are reflected in the subscripts of the atoms. In this case, compound AX2 must have a cation, A belonging to group 2 A with +2 charge and anion, X belonging to Group 7A with -1 charge. Answer is D.
Answer:
defined as a process in which mo heat transfer take place
Explanation:
is a process which occurs without transferring heat /mass between the system and it's surrounding.
