15 If an element has 26 protons and 23 electrons: a. The element forms a cation b. Two of the choices c. The element forms an anion d. The element won’t exist in reality 16 Al has a mass number of 27 and its atomic number is 13. Therefore: a. It has 27 electrons b. It has 14 neutrons c. It has 27 neutrons d. It has 14 electrons e. It has 13 neutrons 17 Why is it important to use demineralized water in Gravimetric Analysis? a. Because it has lower density that regular tap water b. Because it has a higher melting point compared to regular tap water c. Because it is safer to use d. Because it is devoid of minerals that will interfere with the precipitation reaction
Atomic Structure
The basic structure of an atom is defined as the component-level of atomic structure of an atom. Precisely speaking an atom consists of three major subatomic particles which are protons, neutrons, and electrons. Many theories have been stated for explaining the structure of an atom.
Shape of the D Orbital
Shapes of orbitals are an approximate representation of boundaries in space for finding electrons occupied in that respective orbital. D orbitals are known to have a clover leaf shape or dumbbell inside where electrons can be found.
15 If an element has 26 protons and 23 electrons:
a. The element forms a cation
b. Two of the choices
c. The element forms an anion
d. The element won’t exist in reality
16 Al has a mass number of 27 and its
a. It has 27 electrons
b. It has 14 neutrons
c. It has 27 neutrons
d. It has 14 electrons
e. It has 13 neutrons
17 Why is it important to use demineralized water in Gravimetric Analysis?
a. Because it has lower density that regular tap water
b. Because it has a higher melting point compared to regular tap water
c. Because it is safer to use
d. Because it is devoid of minerals that will interfere with the precipitation reaction
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