Mineral composition affects the classification of igneous rock. in simplified classification, igneous to is are classified by the type of feldspar present, by the I type a of feldspar present, or the absence of quartz. in case of neither present, then by the type of iron or magnesium present.
Answer:
the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.
Answer:
Electrons
Explanation:
Because the nucleas is In the middle and the Electrons surround it
Answer:
speed
Explanation:
the vector is an arrow that shows both <em><u>speed</u></em> and direction of an object
