What is the ionic formula for aluminum nitrate

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

Which notation is used to represent an alpha particle? a. b. c. d.

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer