Which of the following elements are in the same period? A. Be and Mg
B. Na and Mg
C. O and S
D. Si and Ge

Complete this brønsted-lowry reaction placing each product by its appropriate label. hso4- + hcn

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.