Chem final Flashcards
1
Q
Which of the following elements is a metal.
A
CO
2
Q
The symbol for sodium is
A
Na
3
Q
The nucleus of an atom does not contain
A
electrons
4
Q
Different isotopes of a particular element contain the same number of
A
protons and electrons
5
Q
Accuracy refers to
A
how close a measured number is to the true value
6
Q
The correct answer to the following is 1.426*0.2360
A
0.3365
7
Q
There are__protons,__neutrons, and___electrons in a 57Cu+1 ion.
A
29,28,28
8
Q
Using the periodic table predict the most likely charge on Be
A
+2
9
Q
which of the following is not an ionic compound
A
PBr3
10
Q
A certain liquid has a density of 2.67 g/cm. 30.5mL of this liquid would have a mass of ___ Kg.
A
0.0814
11
Q
A
