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Lorelai Campos
An element's atomic number is 34. How many protons would an atom of this element have?
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Braden Mueller
Why would you weigh more on saturn than on earth
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Ricky Ortega
The elements are mostly likely to form more than one type of ion are the
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Rodrigo
A sample contains 24 g of radioactive isotope. how much radioactive isotope remains in the sample after 2 half-lives?

A. 6 g

B. 1.5 g

C. 12 g

D 3 g
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Joanna Robinson
2. An elephant puts a force of 30,000 N on its four feet, which have a

total area of 0.75 m2. What is the pressure it puts on the ground?
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Alyvia Acosta
Which of the following is not a benefit of strength training
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Madeline Wilkins
A car travels 400 km in 5 hours. what is the average speed of the car (in km/hr) ?
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Valery Noble
A 15,000-watt radio station transmits at 1700 kHz.

Determine the number of joules transmitted per second.

A). 15 J/s

B). 1700 Js

C). 1,700,000 J/s

D). 15,000 J/s
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Krista Vang
How might temperature near ocean compare with those in land in winter? In summer
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Guest
What is not the purpose of peer review in science?

to validate conclusions

to conduct secret research

to check the accuracy of data

to obtain feedback from other scientists
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Paige Hayden
What is an example of 'Centre of Gravity'?
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Jacqueline Waller
The Mass number of an element is the?

A. number of protons plus electrons

B. number of protons only

C. number of protons plus neutrons
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Guest
Momentum of a system is conserved only when question 16 options: there are no internal forces acting on the system. the system is not moving. there are no forces acting on the system. there is no net external force acting on the system. the system has zero momentum.
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Gabriella James
what is the necessary condition on a force the result the conservation of angular momentum for a particle affected by that force?
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Bits
How to find voltage reading?
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