Ivytech Chem 101 Midterm
The definition of a scientific law is - ANSa number of similar observations generalized into a
brief statement summarizing past observations and predicting new ones
Which statement about a hypothesis is TRUE - ANSAll of the above statements are true.
Which of the following is an example of a scientific law - ANSIn a chemical reaction, matter
is neither created nor destroyed.
Mg is a - ANSAlkaline earth metal
The correct number of significant figures in the number 0.027090 is: - ANS5
Which of the following statements is FALSE - ANSAll of the above statements are true
What is the mass number of the hydrogen isotope that contains 2 neutrons? - ANS3
What is the atomic symbol for silver - ANSAg
Which state of matter has indefinite shape and is compressible - ANSgas
How many milliliters are in 17.5 L - ANS1.75 x 10 to the 4th mL
How many neutrons are found in S-34 - ANS18
All of the following can be considered physical properties EXCEPT: - ANSflammability
Gallium melting in your hand is a - ANSPhysical property
Which type of energy is associate with motion - ANSkinetic
Metals are located where on the periodic table - ANSleft side
Determine the answer for the equation below with correct number of significant figures:
1.2*1.79= - ANS2.1
Which of the following items is a pure substance - ANSice
Determine the answer to the following equation with correct number of significant figures:
2.02+8.102-0.0297= - ANS10.09
Aluminium ion returns to a Nobel has state - ANS1s22s22p6
The definition of a scientific law is - ANSa number of similar observations generalized into a
brief statement summarizing past observations and predicting new ones
Which statement about a hypothesis is TRUE - ANSAll of the above statements are true.
Which of the following is an example of a scientific law - ANSIn a chemical reaction, matter
is neither created nor destroyed.
Mg is a - ANSAlkaline earth metal
The correct number of significant figures in the number 0.027090 is: - ANS5
Which of the following statements is FALSE - ANSAll of the above statements are true
What is the mass number of the hydrogen isotope that contains 2 neutrons? - ANS3
What is the atomic symbol for silver - ANSAg
Which state of matter has indefinite shape and is compressible - ANSgas
How many milliliters are in 17.5 L - ANS1.75 x 10 to the 4th mL
How many neutrons are found in S-34 - ANS18
All of the following can be considered physical properties EXCEPT: - ANSflammability
Gallium melting in your hand is a - ANSPhysical property
Which type of energy is associate with motion - ANSkinetic
Metals are located where on the periodic table - ANSleft side
Determine the answer for the equation below with correct number of significant figures:
1.2*1.79= - ANS2.1
Which of the following items is a pure substance - ANSice
Determine the answer to the following equation with correct number of significant figures:
2.02+8.102-0.0297= - ANS10.09
Aluminium ion returns to a Nobel has state - ANS1s22s22p6
