1. Which of the following species determines the chemical properties of an atom?
A. Electron
B. Neutron
C. Nucleus
D. Proton
2. The following glasswares are used to measure the volume of liquids except
A. graduated beaker
B. pipette
C. test tube
D. burette
3. Pauli exclusion principle is related to
A. quantity of electrons in the valence shell
B. filling the orbitals with lower energy first
C. the filling of degenerated orbitals
D. quantum numbers of electrons
Answers: 3
Chemistry, 22.06.2019 14:20
You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring
Answers: 1
Chemistry, 22.06.2019 15:30
Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)
Answers: 3
Chemistry, 22.06.2019 21:30
How many liters of 3.0 m naoh solution will react with 0.60 liters of 4.0 m h2so4? h2so4 + naoh → na2so4 + h2o 1.2 l 1.6 l 2.4 l 2.8 l
Answers: 3
1. Which of the following species determines the chemical properties of an atom?
A. Electron
Mathematics, 16.11.2020 19:30
Mathematics, 16.11.2020 19:30
Mathematics, 16.11.2020 19:30
Mathematics, 16.11.2020 19:30
Advanced Placement (AP), 16.11.2020 19:30
Mathematics, 16.11.2020 19:30
Mathematics, 16.11.2020 19:30