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