As a scientist, select the best way to communicate your explanation. You may also use a combination of these methods. Be sure to include your claim, evidence, and reason for connecting the evidence to the claim. Represent your scientific explanation using a model (physical or diagram). Attach an image or a video demonstrating your model.

Explain your scientific explanation using an oral communication method, such as a video of yourself, a conversation with another student, a skit, or an audio file. Attach your video or audio file.

Present your scientific explanation in a creative written form using Studio.

Write your scientific explanation in the space below.

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the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

ca has a crystalline lattice with positive ions (since it is a metal, metals are positively charged) and electrons flow freely in its structure since the ca atoms have a large nuclear radius so the electrons are not tightly held, therefore the electrons can flow freely since they are not being highly attracted by the nucleus. moreover, one of the properties of metals are that they are conductors of electricity, thus proving ca is the element.