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☆☆☆☆☆Cards in this guide (15)
How many elements have been identified
118
How did Mendeleev arrange chemical elements
by atomic mass
Atoms have no overall electric charge
true
Where should all laboratory materials be returned
To their proper places.
What are the properties of an element more closely related to
its atomic number There are there properties of an element to mass. The three properties are density, melting and electrical.
Which type of decisions require the use of critical evaluation skills
Fuhk People Start Putting The Right Answers ! ! ! Ugh This Web Site is Wack !
What group of people was not welcome in science careers years ago
women and people of color
What kind of scientist is involved in research related to biological systems and human health
medical scientist
Is it true critical evaluation is helpful in many personal and societal decision-making processes
true
What term refers to a source of danger that poses a threat
A risk
Where would you find the safety symbol for fume safety
Not everything has a symbol for it. The concept of fume safety, if it is a concept, does not have a specific symbol.
What term best defines two or more atoms joined by a chemical bond-
The term that best defines two or more atoms joined by a chemical bond, is a covalent bond.
Policies that suppressed fires in the past are causing fires to be worse today
True
If you spill a chemical on yourself the first thing to do is tell the teacher
True
People from all backgrounds pursue careers in science
Sure, there's no restrictions on curiosity.
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