Technetium-99 is used for brain scans. If a Laboratory receives a shipment of 200 g of this isotope, how much will remain after 24 hours? The Half-Life of

Technetium-99 is 6 hours.

Lab Technique: In the experiment, you can raise the reaction temperature by You can increase the surface area by

The process by which an animal becomes accustomed to its situation is referred to as A. Habituation B nurturing C aggression D desensitizating

MgCl2 + NH4NO3 - -> Mg NO3 + NH4Cl is this a double replacement reaction?

Will mark as Brainliest. What type of reaction will occur if ∆H is negative and there are no significant entropy effects? acid-base reaction redox reaction endothermic reaction spontaneous reaction

At the same temperature, a freshwater lake frezzes but a salt water bay does not because

Model describe how you would show j. j. thomson's model of the atom using small beads and clay

Switching one substance for another is called ... ? a) displacement b) synthesis c) decomposition d) oxidation

C2h4 + O2 - CO2 + H2O If we start with 20 grams of CH4, how many moles of CO2 will form?

How does chemical energy relate to the atom and how can we use it?

A positively charged atom is known as a cation. A cation will? ... A) have more protons B) have to same number of protons and electrons. C) Be the same as a neutral atom. D) have more electrons.