Answer: Lithium—7 is more abundant with 94.1%
Explanation:Please see attachment for explanation
A is correct just compare answers with yahoo
Answer:
I would
Explanation:
I would support the change to the metric system only because it allows children to understand smaller forms of units and measurements. Also, it will allow people in the math and science fields to broaden their knowledge of equations and formulas. Meaning that the scientist and mathematicians will be able to solve more problems in the world right now. Overall, the education system for the children of the United States would benefit from the change in the measurement system.
In melted butter, because it is in liquid form, the particles are moving faster because they are warmer and they move freely with no structure. In a stick of butter, the particles just vibrate in a structured pattern because the stick of butter is a solid.
The correct answer for above statement is:
D. Small Nonmetal Atoms.
Explanation:
In the same way, when an atom gains electrons, an energy change occurs. Learn that the description of an electron affection is the strength delivered, so that means that the reaction is exothermic. If a reaction is exothermic, the change in charge is negative. This suggests that the electron affinity is positive.