Answer:
The Alkali Metals
The alkali metals are lithium, sodium, potassium, rubidium, cesium, and francium.
substitute: <span><span>t<span>1/2</span></span>=<span><span>ln(2)</span>k</span>→k=<span><span>ln(2)</span><span>t<span>1/2</span></span></span></span>
Into the appropriate equation: <span>[A<span>]t</span>=[A<span>]0</span>∗<span>e<span>−kt</span></span></span>
<span>[A<span>]t</span>=[A<span>]0</span>∗<span>e<span>−<span><span>ln(2)</span><span>t<span>1/2</span></span></span>t</span></span></span>
<span>[A<span>]t</span>=(250.0 g)∗<span>e<span>−<span><span>ln(2)</span><span>3.823 days</span></span>(7.22 days)</span></span>=67.52 g</span>
Answer:
he average atomic mass of an element is the sum of the masses of its isotopes, each multiplied by its natural abundance
The temiture in lava is <span> 700 to 1,200 °C (1,292 to 2,192 °F).</span>
Answer:
Inside the human body they are known as glucose.
Explanation:
Your pancreas secretes insuline through the body in order to mantain a proper glucose levels through out the body. This is also what causes diabetes. If someone has diabetes this means that the pancreas is having trouble mantaining glucose through the body. This is why you should not consume sugar very often, then your body forgets how to create its own supply of glucose
