Test 1 Vocabulary Flashcards
q.i.d.
4 times a day
symbol for sodium
Na
chemical symbol S
sulfur
Neon, Argon, and Krypton are …
are all inert gases
all have valence shell electron configuration of s2p2
are not halogens
are all nonmetals
In general, what part of an atom has the largest mass?
nucleus
Two different isotopes of the same element would have?
the same atomic number but different gas numbers
Ca is the symbol for the element
calcium
What is the electron configuration for Ni(28)
1s2 2s2 2p6 3s2 3p6 4s2 3d2
The atom Cr has how many
P, E, and N
24 electrons
24 protons
28 neutrons
Consider 2 samples of a particular substance
sample 1 is 5.0g and sample 2 is 100.0g.
What is the same for both samples?
specific gravity
the chemical symbol for potassium is
K
What part of an atom has the smallest mass?
electron
first column in the periodic table (IA)
alkali metals
second column in the periodic table (IIA)
alkaline earth metals
B is the symbol for what element
boron
name of column VIIA of the periodic table
noble(inert) gases