Atoms
What is the charge of a singular neutron?
0
Metals
Element
Mass can neither be created nor ___________, only transformed.
destroyed
What state of matter has atoms that are closely packed together with extremely little to no movement?
Solid
How many protons does one atom of Sulfur have?
16
Horizontal rows on the periodic table are called what?
Periods
Chicken noodle soup is an example of what type of mixture?
Heterogenous
2K + I2 --> 2KI
4g + 3g --> 7g
Does this equation follow LOCOM?
Yes
What is the change from liquid to solid called?
Freezing
Where are electrons found?
How many valence electrons does an element in Group 16 and period 2 have?
6
Is water (H2O) an element, a compound, or a mixture?
Compound
How many atoms of Sulfur are in the following compound?
Al2(SO4)3
3
True
What is the mass of an atom of Carbon with 6 protons and 8 neutrons?
14
How many electrons SHELLS does an element in group 14 and period 5 have?
5
Compounds are different than mixtures because they can be _______________ separated.
chemically
Fill in the blank in order to follow LOCOM.
2Na + Br2 --> 2NaBr
14g + 18g --> ____g
32
What is the fourth state of matter?
Plasma
11
Helium is in Group 18 and Period 1. How many valence electrons does it have?
2
When two or more atoms, the same or different types, join together chemically, a __________ is formed.
molecule
Fill in the blank to make this statement follow LOCOM.
NaOH + HCl --> NaCl + H2O
30g + ____ --> 17g + 42g
Which is the exothermic process that occurs between the liquid and gas phase?
condensation