Blog

Write the shorthand electron configuration (using noble gas core) for silver, Ag. Use the T2 function in the tool bar to show superscripts.  

Write the name for P4Se3 in the blank.

Classify each of the following elements as metal, nonmetal or metalloid AND then classify each as solid, liquid, or gas at room conditions. a) Tungsten is a [answer1] and a [answer2]. b) Arsenic is a [answer3] and a [answer4]. c) Sodium is a [answer5] and a [answer6]. d) Hydrogen is a [answer7] and a [answer8]. e) Iodine is a [answer9] and a [answer10]. f) Bromine is a [answer11] and a [answer12]. g) Radon is a [answer13] and a [answer14]. h) Rubidium is a [answer15] and a [answer16]. i) Silicon is a [answer17] and a [answer18].  

What is the name for Ca(NO3)2?

Write the shorthand electron configuration (using noble gas core) for the element antimony, Sb: Use the T2 function in the tool bar to show superscripts.

How many significant figures are in the measurement 0.000540300 Mm?

Write the following in standard scientific notation, keeping the proper number of significant figures: 642 300 000

What symbol represents the atom containing 28 protons and 33 neutrons?

Which description corresponds to the f-orbitals?

Write the name for Mg(HCO3)2 in the blank.