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) 0 B) - C) +
A) have an equal number of charged and noncharged particles. B) have an equal number of electrons and protons. C) have neutrons in their nuclei. D) have an equal number of neutrons and protons.
A) burning wood B) digesting food C) breaking a pencil D) cooking eggs
A) Discovery Date B) Alphabetical Order C) Atomic Mass D) Atomic Number
A) Protons B) Neutrons C) Valence Electrons D) Protons and Neutrons
A) color B) pH C) density D) shape
A) a total of eight neutrons and electrons. B) eight protons in its nucleus. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons plus the number of electrons. B) protons. C) protons plus the number of neutrons. D) neutrons.
A) They are usually gases. B) They form negative ions with a -1 charge. C) They are located in the left-most column of the periodic table. D) They are extremely nonreactive.
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) have only 1 valence electron B) are nonreactive C) are all metals D) exist in all three states of matter in normal conditions
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) location; ionization B) color; smell C) number; mass D) mass;number
A) 3 neutrons B) 8 neutrons C) 12 neutrons D) 6 neutrons
A) Halogens B) Noble Gases C) Alkali Metals D) Alkaline Earth
A) Alkaline Earth B) Noble Gases C) Halogens D) Akali
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) Alkali B) Halogens C) Noble Gases D) Alkaline Earth
A) 4 B) 3 C) 5 D) 2
A) metalloids B) metals C) nonmetals
A) Einstein B) Mosely C) Ms. Watson D) Mendleev
A) alphabetically B) according to atomic number C) by date discovered D) According to atomic mass
A) Atomic Number B) Atomic Mass C) Atomic Number-Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) protons B) nucleus C) neutrons D) electrons
A) pH B) reactivity C) flammability D) color
A) burning B) crushing C) breaking D) adding dye
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) vary within the same element B) only can be observed in a few elements C) cn only be observed by changing the substance D) can be observes with the senses
A) chemical B) physical
A) chemical B) physical
A) it will float B) not enough information C) it will sink
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) 1/100 C) 1,000 D) 100
A) independent B) constant C) control D) dependent
A) strawberries B) growth C) fertilizer D) length of study
A) control B) independent C) constant D) dependent
A) beaker B) stirring rod C) graduated cylinder D) tongs
A) 16 B) 0 C) 13 D) 10
A) 17 B) 18 C) 19 D) 35
A) 14 B) 12 C) 10 D) 26
A) 2 B) 10 C) 8 D) 18
A) 115 amu B) 5.7 amu C) 57 amu D) 0.57 amu
A) 3 B) 1 C) 4 D) 2
A) Rutherford B) Bohr C) Thomson D) Dalton
A) Chadwick B) Democritus C) Thomson D) Rutherford
A) Shrodinger and Heisenburg B) Rutherford C) Bohr D) Thomson ![]()
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Atoms combine to form compounds in simple whole number ratios. B) Atoms of the same element are exactly alike. C) All matter is made of atoms.
A) Chadwick B) Rutherford 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) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electrons are positively charged.
A) positive charge B) larger mass C) negative charge D) smaller mass
A) protons B) electrons C) positrons D) neutrons
A) 72g/ml B) 1.33g/ml C) 0.33g/ml D) 3g/ml
A) 0.094g B) 10.7g C) 17.5g D) 24g |