Fluorine-18 undergoes positron emission as shown: 18 F + 4x +48
Enter the appropriate values for A and Z and the chemical
symbol for X
A:
Z:
83
1
X:

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced