Answer:
tungsten
Explanation:
I hope it's helpful for you
Answer: is C
Explanation:
Both the atomic mass and the atomic number increase from left to right
Answer:
A device that does work with only one movement and changes the size or direction of a force is a simple machine.
Explanation:
- For applying force, any used basic mechanical devices are simple machines.
- Simple machine changes the direction as well as the amplitude of the applied force i.e. we can increase or decrease the magnitude of the force.
- A simple machine is the most basic mechanism to use the force as we need in big mechanical machines.
- Some of the examples of simple machines are inclined plane, lever, wedge, wheel and axle, pulley, and screw.
I believe it’s
The reactants
The products
And the Arrow indicating the direction of the chemical reaction
They discovered that *elements* show increase in atomic numbers across the period.
