Alyssa observes a chemical reaction between an atom of be and an atom of se.

which answer choice correctly lists the chemical name of the compound produced by the reaction?

hint: look at your periodic table.

beryllium selenium
selenium berylliuride
selenium beryllium
beryllium selenide

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.