Which of the following sets of elements would have the most similar chemical properties? lithium (Li) and beryllium (Be)
lithium (Li) and beryllium (Be)

sodium (Na) and beryllium (Be)
sodium (Na) and beryllium (Be)

lithium (Li) and sodium (Na)
lithium (Li) and sodium (Na)

sodium (Na) and magnesium (Mg)

Mga halaman/punong ornamental na di namumulaklak

Which lists the organs in the correct order as food passes from the mouth to anus?

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.