What is true if mass is conserved in a reaction

(a) there are more atoms on the reactants side

(b) there are equal number of atoms on both sides

(c) there are more atoms on the products side

(d) the number of atoms on each side change

While David was riding his bike around the circular cul-de-sac by his house he wondered if the constant circle motion was having any affect on his tires. what would be the best way for David to investigate this?

Which organism is able to cause an infection? A red blood cell B bacteria C white blood cell D skin cell

Compounds are formed when the atoms of two or more elements are chemically combined. What type of bond is formed if atoms donate electrons to other atoms when the elements are combined? A. ionic bond B. hydrogen bond C. covalent bond

Identify the bond with the highest bond energy. identify the bond with the highest bond energy. c=c si=o c=n n=n o=o

How many atoms are here in the following? a. 3N2 b. 2H2O c. 4HNO3 d. 2Ca (OH) 2 e. 3Ba (ClO3) 2 f. 5Fe (NO3) 2 g. 4Mg3 (PO4) 2 h. 2 (NH4) 2SO4 i. 6Al2 (SeO4) 3 j. 4C3H8

Which isotope of lithium has 3 neutrons?

Write the complete electron configuration for the noble gas found in the third period

Convert 0.023 kg to centigran

How many unpaired electrons arethere in Cu1 + ion

A 750 mL sample of nitrogen is heated from 30°C to 92 C at constant pressure. What is the final volume?