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