Chemistry - Chapter 2a: Significant Figures Rules

0.0(0)
studied byStudied by 0 people
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/8

encourage image

There's no tags or description

Looks like no tags are added yet.

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

9 Terms

1
New cards

Non-zero digits are

ALWAYS significant

2
New cards

Any zeros between non-zero digits are

significant

3
New cards

Leading zeros (zeros before any non-zero digit) are

NOT significant

4
New cards

Trailing zeros in a number with a decimal point are

significant

5
New cards

Trailing zeros in a number without a decimal point are

NOT significant

6
New cards

Exact numbers (like counts, definitions, or conversion factors) have

an infinite number of significant figures

7
New cards

Exact numbers have…

infinite amount of sig figs

8
New cards

Why do exact numbers have an infinite amount of significant figures?

because they are known with perfect certainty—there's no rounding or estimation involved.

9
New cards

Where are significant figures in scientific notation?

In the coefficients (NOT EXPONENTS)