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