A) It is composed of electrons and neutrons B) It is composed of protons and neutrons C) It is composed of protons and electrons D) It is composed of protons only
A) - B) + C) 0
A) have an equal number of neutrons and protons. B) have neutrons in their nuclei. C) have an equal number of electrons and protons. D) have an equal number of charged and noncharged particles.
A) digesting food B) cooking eggs C) burning wood D) breaking a pencil
A) Alphabetical Order B) Discovery Date C) Atomic Mass D) Atomic Number
A) Protons and Neutrons B) Protons C) Neutrons D) Valence Electrons
A) color B) pH C) density D) shape
A) eight neutrons in its nucleus. B) eight protons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) neutrons. B) protons plus the number of neutrons. C) protons. D) protons plus the number of electrons.
A) They are usually gases. B) They are extremely nonreactive. C) They form negative ions with a -1 charge. D) They are located in the left-most column of the periodic table.
A) They are extremely rare in nature. B) They form compounds with very bright colors. C) a basically nonreactive. D) They are highly reactive with both metals and nonmetals.
A) are nonreactive B) exist in all three states of matter in normal conditions C) are all metals D) have only 1 valence electron
A) On the right side. B) On the left-most side. C) In the bottom rows. D) In the middle column of the periodic table.
A) color; smell B) number; mass C) location; ionization D) mass;number
A) 12 neutrons B) 3 neutrons C) 8 neutrons D) 6 neutrons
A) Noble Gases B) Alkaline Earth C) Halogens D) Alkali Metals
A) Akali B) Alkaline Earth C) Noble Gases D) Halogens
A) Alkali B) Noble Gases C) Alkaline Earth D) Halogens
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) 2 B) 4 C) 5 D) 3
A) metalloids B) nonmetals C) metals
A) Ms. Watson B) Mosely C) Einstein D) Mendleev
A) According to atomic mass B) by date discovered C) according to atomic number D) alphabetically
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass D) Atomic Number
A) Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Number-Atomic mass
A) electrons B) protons C) nucleus D) neutrons
A) reactivity B) flammability C) color D) pH
A) adding dye B) breaking C) burning D) crushing
A) can only be observed by changing the substance B) can be observed with senses C) only can be seen in a few elements D) vary within the same element
A) only can be observed in a few elements B) can be observes with the senses C) cn only be observed by changing the substance D) vary within the same element
A) physical B) chemical
A) physical B) chemical
A) it will sink B) not enough information C) it will float
A) grams B) meters C) kilograms D) hours
A) both accurate and precise B) precise C) nethier accurate or precise D) accurate
A) 1/1,000 B) 100 C) 1,000 D) 1/100
A) control B) independent C) constant D) dependent
A) fertilizer B) growth C) strawberries D) length of study
A) independent B) constant C) dependent D) control
A) stirring rod B) beaker C) graduated cylinder D) tongs
A) 13 B) 16 C) 10 D) 0
A) 18 B) 17 C) 35 D) 19
A) 10 B) 14 C) 12 D) 26
A) 18 B) 2 C) 8 D) 10
A) 115 amu B) 5.7 amu C) 0.57 amu D) 57 amu
A) 2 B) 3 C) 1 D) 4
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Thomson B) Chadwick C) Democritus D) Rutherford
A) Shrodinger and Heisenburg B) Rutherford C) Bohr D) Thomson
A) Dalton B) Rutherford C) Thomson D) Bohr
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Chadwick B) Dalton C) Rutherford D) Bohr
A) Electrons are positively charged. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electron number never changes. D) The mass of electrons is much smaller than the mass of protons and neutrons.
A) positive charge B) smaller mass C) larger mass D) negative charge
A) neutrons B) positrons C) electrons D) protons
A) 72g/ml B) 1.33g/ml C) 0.33g/ml D) 3g/ml
A) 17.5g B) 24g C) 10.7g D) 0.094g |