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