Answer:
I liked the video, it gave us lots of information about___. __ means/ is about.
Explanation:
Answer:
1 mole represents 6.023×1023 particles.
1 mole of iodine atom= 6.023×1023
Given 127.0g of iodine.
no. of iodine atom = 1 mole of iodine
1mole of magnesium = 24g of Mg = 6.023×1023no.of Mg
Given 48g of Mg = 2×6.023×1023
no. of Mg = 2 moles of Mg
1 mole of chlorine atom= 6.023× 1023
no. of chlorine atom = 35.5g of chlorine atom
Given 71g of chlorine atom=2× 6.023× 1023
no. of chlorine atom = 6.023×1023
2 moles of chlorine atom.
Given that 4g of hydrogen atom.
will be equal to 4 × 6.023 × 1023
no. of atoms of hydrogen= 4 moles of hydrogen atom.
Explanation:
Element Abundance percent by weight Abundance parts per million by weight
Oxygen 46.1% 461,000
Silicon 28.2% 282,000
Aluminum 8.23% 82,300
Iron 5.63% 56,300
Answer:
There are three significant figures in the number 20300
Janes brother Jack is actually correct, underground water seeps into little holes or spaces between the soil and the rocks.
<h3>Underground Water</h3>
Simply put, underground water is found in between soils and crack, another name for this is called aquifers were water is found.
It should be noted that underground water are found at varying levels depending the terrain.
Learn more about Underground Water here:
brainly.com/question/23135301
