2.
1 Yotta (Y) corresponds to:
3.
NaCl formed using isotopes Cl-35 & Cl-37. Law illustrated is:
4.
The energy hierarchy from highest to lowest is:
5.
200.0 has how many significant figures?
6.
5.478 rounded to 3 significant figures becomes:
7.
The SI prefix femto (f) equals:
8.
1 Zetta (Z) is equal to:
9.
The value of 1 nano (n) is:
10.
1 litre (L) is equal to:
12.
Which number shows uncertainty clearly?
13.
In multiplication/division, the result must keep:
14.
1.325 ± 0.001 shows how many significant figures in measurement?
17.
1 Exa (E) corresponds to:
18.
Which shows maximum precision?
19.
0.056 × 2.1 (correct sig figs)
20.
12000 has how many significant figures (without decimal)?
21.
Which has 4 significant figures?
23.
In addition/subtraction, the answer should be rounded based on:
24.
72.5 + 0.008 (correct sig figs)?
26.
How many significant figures does 143.25 have?
27.
The last digit in any measured number is called the:
29.
In 6.90 × 10³, how many significant figures?
30.
Which operation uses decimal places rule?
31.
The prefix micro (µ) corresponds to:
32.
Which zeroes are always significant?
33.
5.621 × 2.0 (correct sig figs)?
34.
1 atmosphere is equal to:
35.
A measurement is accurate when:
36.
How many significant figures does 0.00345 have?
37.
Significant figures refer to:
39.
The prefix zepto (z) corresponds to:
40.
During rounding, if the digit after 5 is zero or absent, the preceding digit:
42.
In 1.500, how many significant figures are present?
43.
What does uncertainty in measurement refer to?
44.
3.333 + 0.011 = ? (correct sig figs)
